/*! normalize.css v2.1.0 | MIT License | git.io/normalize */article,aside,details,figcaption,figure,footer,header,hgroup,main,nav,section,summary{display:block}audio,canvas,video{display:inline-block}audio:not([controls]){display:none;height:0}[hidden]{display:none}html{-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}li,ol,ul{margin:0;padding:0;list-style:none}a:focus{outline:thin dotted}a:active,a:hover{outline:0}h1{font-size:2em;margin:.67em 0}abbr[title]{border-bottom:1px dotted}b,strong{font-weight:700}dfn{font-style:italic}hr{-moz-box-sizing:content-box;box-sizing:content-box;height:0}mark{background:#ff0;color:#000}code,kbd,pre,samp{font-family:monospace,serif;font-size:1em}pre{white-space:pre-wrap}q{quotes:"\201C" "\201D" "\2018" "\2019"}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}img{border:0}svg:not(:root){overflow:hidden}figure{margin:0}fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em .75em}legend{border:0;padding:0}button,input,select,textarea{font-family:inherit;font-size:100%;margin:0}button,input{line-height:normal}button,select{text-transform:none}button,html input[type=button],input[type=reset],input[type=submit]{-webkit-appearance:button;cursor:pointer}button[disabled],html input[disabled]{cursor:default}input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0}input[type=search]{-webkit-appearance:textfield;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;box-sizing:content-box}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration{-webkit-appearance:none}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}textarea{overflow:auto;vertical-align:top}table{border-collapse:collapse;border-spacing:0}.link-default{position:relative;outline:0;text-decoration:none;color:#007aff}.link-default:visited{color:#007aff}.link-default:hover{text-decoration:underline}.no-hover .link-default:hover{text-decoration:none}a,a:active,button,button:active{outline:0}.scroll{-webkit-overflow-scrolling:touch}body,html{font-family:HelveticaNeue,"Helvetica Neue",Helvetica,sans-serif;padding:0;margin:0;height:100%;width:100%;overflow:hidden;-webkit-font-smoothing:antialiased;-moz-font-smoothing:antialiased;-ms-font-smoothing:antialiased;font-smoothing:antialiased}@media print{body,html{position:static;height:auto;overflow:auto}}html{font-size:14px;line-height:1.5}html.is-hv{font-size:12px}body{background-color:#f9fafb;background-repeat:no-repeat;background-image:-webkit-linear-gradient(top,#e6e9ea 0,#f9fafb 800px);background-image:-moz-linear-gradient(top,#e6e9ea 0,#f9fafb 800px);background-image:-o-linear-gradient(top,#e6e9ea 0,#f9fafb 800px);background-image:-ms-linear-gradient(top,#e6e9ea 0,#f9fafb 800px);background-image:linear-gradient(top,#e6e9ea 0,#f9fafb 800px);background-attachment:fixed;-webkit-text-size-adjust:none;color:#4b4b4b}@media print{body{background:0 0}}.centered{position:relative;margin:0 auto;padding:0;max-width:1156px;min-width:320px}@media print{.centered{position:static;height:auto;overflow:auto}}.is-hv .centered{max-width:956px}.fixed{position:fixed;-webkit-transition:top .3s ease-in-out;-moz-transition:top .3s ease-in-out;-ms-transition:top .3s ease-in-out;-o-transition:top .3s ease-in-out;transition:top .3s ease-in-out;top:44px;bottom:0;width:100%}@media print{.fixed{position:static;height:auto;overflow:auto}}@media all and (max-height:320px){.fixed{top:30px}}.fixed .centered{height:100%}.is-hv .fixed{top:0}header{position:fixed;z-index:100;top:0;left:0;right:0;background:#fafbfb;height:44px;-webkit-transition:height .3s ease-in-out;-moz-transition:height .3s ease-in-out;-ms-transition:height .3s ease-in-out;-o-transition:height .3s ease-in-out;transition:height .3s ease-in-out;box-shadow:0 0 2px rgba(0,0,0,.75)}@media print{header{display:none}}.development header{background:#fff4f4}.review header{background:#f4f4ff}.staging header{background:#f4fff4}@media all and (max-height:320px){header{height:30px}header img{display:none}}header h1{-webkit-transition:font-size .3s ease-in-out,line-height .3s ease-in-out;-moz-transition:font-size .3s ease-in-out,line-height .3s ease-in-out;-ms-transition:font-size .3s ease-in-out,line-height .3s ease-in-out;-o-transition:font-size .3s ease-in-out,line-height .3s ease-in-out;transition:font-size .3s ease-in-out,line-height .3s ease-in-out;font-size:19px;line-height:1.9;font-weight:400;margin:4px 68px;overflow:hidden;text-align:center;white-space:nowrap;text-overflow:ellipsis}@media all and (max-height:320px){header h1{font-size:13px;margin:4px 48px}}header h1 a{text-decoration:none;color:#4b4b4b}header h1 a:hover{color:#007aff}.no-hover header h1 a:hover{color:#4b4b4b}header h1 img{position:relative;top:5px;height:24px;width:24px;margin-right:4px}[dir=rtl] header h1 img{margin-right:0;margin-left:4px}@media all and (max-width:568px){header h1 img{display:none}}header button{position:absolute;top:0;display:block;padding:0;height:37px;width:54px;-webkit-border-radius:19px;-moz-border-radius:19px;border-radius:19px;color:transparent;border:1px solid transparent;background:transparent no-repeat;background-size:56px 39px;background-position:-2px -2px;-webkit-transition:height .3s ease-in-out,width .3s ease-in-out;-moz-transition:height .3s ease-in-out,width .3s ease-in-out;-ms-transition:height .3s ease-in-out,width .3s ease-in-out;-o-transition:height .3s ease-in-out,width .3s ease-in-out;transition:height .3s ease-in-out,width .3s ease-in-out}header button:focus,header button:hover{border-color:#e4e4e4}.no-hover header button:focus,.no-hover header button:hover{border-color:transparent}header button[aria-checked=true]{background-color:#e4e4e4}@media all and (max-height:320px){header button{height:23px;width:34px;-webkit-border-radius:11px;-moz-border-radius:11px;border-radius:11px;background-size:36px 25px}}header button[name=toc]{background-image:url(img/button-toc.png);left:6px}@media all and (max-height:320px){header button[name=toc]{background-image:url(img/button-toc-small.png)}}[dir=rtl] header button[name=toc]{background-image:url(img/button-toc-rtl.png);left:auto;right:6px}@media all and (max-height:320px){[dir=rtl] header button[name=toc]{background-image:url(img/button-toc-small-rtl.png)}}@media all and (min-width:875px){header button[name=toc]{display:none}}.single-page-book header button[name=toc]{display:none}header button[name=find]{background-image:url(img/button-search.png);right:6px}@media all and (max-height:320px){header button[name=find]{background-image:url(img/button-search-small.png)}}[dir=rtl] header button[name=find]{right:auto;left:6px}nav{font-size:13px;position:absolute;height:100%;width:290px;z-index:20;background:#fff;-webkit-transition:left .5s ease-in-out,right .5s ease-in-out,width .5s ease-in-out;-moz-transition:left .5s ease-in-out,right .5s ease-in-out,width .5s ease-in-out;-ms-transition:left .5s ease-in-out,right .5s ease-in-out,width .5s ease-in-out;-o-transition:left .5s ease-in-out,right .5s ease-in-out,width .5s ease-in-out;transition:left .5s ease-in-out,right .5s ease-in-out,width .5s ease-in-out;left:0}@media print{nav{display:none}}.is-hv nav{font-size:12px;width:210px}[dir=rtl] nav{left:auto;right:0}nav[aria-hidden=true]{left:-290px}nav[aria-hidden=true] ul.toc{pointer-events:none}.is-hv nav[aria-hidden=true]{left:-210px!important}@media all and (max-width:568px){nav[aria-hidden=true]{left:-568px}}[dir=rtl] nav[aria-hidden=true]{left:auto;right:-290px}.is-hv [dir=rtl] nav[aria-hidden=true]{right:-210px!important}@media all and (max-width:568px){[dir=rtl] nav[aria-hidden=true]{right:-568px}}@media all and (max-width:874px){nav{box-shadow:0 0 2px 2px rgba(0,0,0,.1)}}@media all and (max-width:568px){nav{box-shadow:none;width:100%}.is-hv nav{box-shadow:0 0 2px 2px rgba(0,0,0,.1)}}.show-more-help-link nav{display:-webkit-flex;-webkit-flex-direction:column}@media print{.show-more-help-link nav{display:none}}nav .toc-more-help{display:block;padding:4px 5px 5px;-webkit-align-self:flex-end;width:200px;border-top:1px solid #e4e4e4;text-align:center}nav .toc-more-help a{display:inline-block;line-height:1.25em;color:#007aff;text-decoration:none}nav .toc-more-help a:hover{text-decoration:underline}nav .toc-more-help .toc-more-help-icon{display:inline-block;width:5px;height:7px;background-image:url(img/icon-arrow.png);background-size:5px 7px;margin-left:5px}[dir=rtl] nav .toc-more-help .toc-more-help-icon{-webkit-transform:rotate(180deg);-moz-transform:rotate(180deg);-o-transform:rotate(180deg);-ms-transform:rotate(180deg);transform:rotate(180deg);margin-left:0;margin-right:5px}ul.toc{line-height:17px;height:100%;overflow-y:auto}.is-hv ul.toc>li:first-child{margin-top:.714em}.is-hv ul.toc>li:last-child{margin-bottom:.714em}ul.toc .icon{position:absolute;top:7px;height:29px;width:29px;left:22px}.is-hv ul.toc .icon{display:none}[dir=rtl] ul.toc .icon{left:auto;right:22px}ul.toc ul{overflow:hidden;-webkit-transition:max-height .3s ease-in-out;-moz-transition:max-height .3s ease-in-out;-ms-transition:max-height .3s ease-in-out;-o-transition:max-height .3s ease-in-out;transition:max-height .3s ease-in-out}ul.toc .first-toc-item-active>a{border-bottom:0;padding-bottom:15px}ul.toc a{display:block;position:relative;border:0;border-bottom:1px solid #e6e9ea;padding:13px 12px 14px;padding-left:8px;border-image:-webkit-linear-gradient(left,#fff 0,#fff 22px,#e6e9ea 8px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0;color:#4a4a4a;text-decoration:none}ul.toc a[tabindex='1']:focus{text-decoration:underline;outline:0}.is-hv ul.toc a{padding-top:6px;padding-bottom:7px;border-bottom:none;border-image:none!important}[dir=rtl] ul.toc a{padding-left:12px;padding-right:8px;border-image:-webkit-linear-gradient(right,#fff 0,#fff 22px,#e6e9ea 8px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv [dir=rtl] ul.toc a{border-image:none!important}ul.toc a.active{border-image:none}ul.toc a:hover{color:#007aff}.no-hover ul.toc a:hover{color:#4a4a4a}ul.toc a.active{text-decoration:none!important;background-color:#e6e9ea;top:-1px}.is-hv ul.toc a.active{background-color:#f2f2f2}ul.toc a.active .name{top:1px;position:relative}ul.toc a.active .icon{top:-6px;left:14px}[dir=rtl] ul.toc a.active .icon{left:auto;right:14px}ul.toc a .name{pointer-events:none;padding-left:14px}[dir=rtl] ul.toc a .name{padding-right:14px}ul.toc ul a{padding-left:23px;border-image:-webkit-linear-gradient(left,#fff 0,#fff 37px,#e6e9ea 23px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv ul.toc ul a{border-image:none!important}[dir=rtl] ul.toc ul a{padding-left:12px;padding-right:23px;border-image:-webkit-linear-gradient(right,#fff 0,#fff 37px,#e6e9ea 23px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv [dir=rtl] ul.toc ul a{border-image:none!important}ul.toc ul a.active{border-image:none}ul.toc ul ul a{padding-left:38px;border-image:-webkit-linear-gradient(left,#fff 0,#fff 52px,#e6e9ea 38px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv ul.toc ul ul a{border-image:none!important}[dir=rtl] ul.toc ul ul a{padding-left:12px;padding-right:38px;border-image:-webkit-linear-gradient(right,#fff 0,#fff 52px,#e6e9ea 38px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv [dir=rtl] ul.toc ul ul a{border-image:none!important}ul.toc ul ul a.active{border-image:none}ul.toc ul ul ul a{padding-left:53px;border-image:-webkit-linear-gradient(left,#fff 0,#fff 67px,#e6e9ea 53px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv ul.toc ul ul ul a{border-image:none!important}[dir=rtl] ul.toc ul ul ul a{padding-left:12px;padding-right:53px;border-image:-webkit-linear-gradient(right,#fff 0,#fff 67px,#e6e9ea 53px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv [dir=rtl] ul.toc ul ul ul a{border-image:none!important}ul.toc ul ul ul a.active{border-image:none}ul.toc .hasIcon a{padding-left:8px;border-image:-webkit-linear-gradient(left,#fff 0,#fff 57px,#e6e9ea 8px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv ul.toc .hasIcon a{border-image:none!important}[dir=rtl] ul.toc .hasIcon a{padding-left:12px;padding-right:8px;border-image:-webkit-linear-gradient(right,#fff 0,#fff 57px,#e6e9ea 8px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv [dir=rtl] ul.toc .hasIcon a{border-image:none!important}ul.toc .hasIcon a.active{border-image:none}ul.toc .hasIcon a>.name{padding-left:49px}[dir=rtl] ul.toc .hasIcon a>.name{padding-left:0;padding-right:49px}ul.toc .hasIcon ul a{padding-left:71px;border-image:-webkit-linear-gradient(left,#fff 0,#fff 71px,#e6e9ea 71px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv ul.toc .hasIcon ul a{border-image:none!important}[dir=rtl] ul.toc .hasIcon ul a{padding-left:12px;padding-right:71px;border-image:-webkit-linear-gradient(right,#fff 0,#fff 71px,#e6e9ea 71px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv [dir=rtl] ul.toc .hasIcon ul a{border-image:none!important}ul.toc .hasIcon ul a.active{border-image:none}ul.toc .hasIcon ul a>.name{padding-left:0}[dir=rtl] ul.toc .hasIcon ul a>.name{padding-right:0}ul.toc .hasIcon ul a.section{padding-left:57px}[dir=rtl] ul.toc .hasIcon ul a.section{padding-left:0;padding-right:57px}ul.toc .hasIcon ul a.section .name{padding-left:14px}[dir=rtl] ul.toc .hasIcon ul a.section .name{padding-left:0;padding-right:14px}ul.toc .hasIcon ul ul a{padding-left:85px;border-image:-webkit-linear-gradient(left,#fff 0,#fff 85px,#e6e9ea 85px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv ul.toc .hasIcon ul ul a{border-image:none!important}[dir=rtl] ul.toc .hasIcon ul ul a{padding-left:12px;padding-right:85px;border-image:-webkit-linear-gradient(right,#fff 0,#fff 85px,#e6e9ea 85px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv [dir=rtl] ul.toc .hasIcon ul ul a{border-image:none!important}ul.toc .hasIcon ul ul a.active{border-image:none}ul.toc .hasIcon ul ul ul a{padding-left:99px;border-image:-webkit-linear-gradient(left,#fff 0,#fff 99px,#e6e9ea 99px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv ul.toc .hasIcon ul ul ul a{border-image:none!important}[dir=rtl] ul.toc .hasIcon ul ul ul a{padding-left:12px;padding-right:99px;border-image:-webkit-linear-gradient(right,#fff 0,#fff 99px,#e6e9ea 99px,#e6e9ea 100%) 0 0 1 0;border-image-width:0 0 1px 0}.is-hv [dir=rtl] ul.toc .hasIcon ul ul ul a{border-image:none!important}ul.toc .hasIcon ul ul ul a.active{border-image:none}ul.toc .section{cursor:pointer}ul.toc .section .disclosure-icon{background-image:url(img/arrow.png);background-size:8px 8px;width:8px;height:8px;display:inline-block;float:left;margin-top:4px;-moz-transition-duration:.1s;-webkit-transition-duration:.1s;-o-transition-duration:.1s;transition-duration:.1s;-webkit-transform-origin:center center;-moz-transform-origin:center center;-ms-transform-origin:center center;-o-transform-origin:center center;transform-origin:center center}[dir=rtl] ul.toc .section .disclosure-icon{float:right;-webkit-transform:rotate(180deg);-moz-transform:rotate(180deg);-o-transform:rotate(180deg);-ms-transform:rotate(180deg);transform:rotate(180deg)}ul.toc [aria-expanded=true]>.section .disclosure-icon{-webkit-transform:rotate(90deg);-moz-transform:rotate(90deg);-o-transform:rotate(90deg);-ms-transform:rotate(90deg);transform:rotate(90deg)}section{position:absolute;width:100%;height:100%;overflow:auto;top:0;bottom:0}@media print{section{position:static;height:auto;overflow:auto}}.topic-container{position:absolute;left:0;right:0;min-height:100%;background:#fff;-webkit-transition:left .3s ease-in-out,right .3s ease-in-out;-moz-transition:left .3s ease-in-out,right .3s ease-in-out;-ms-transition:left .3s ease-in-out,right .3s ease-in-out;-o-transition:left .3s ease-in-out,right .3s ease-in-out;transition:left .3s ease-in-out,right .3s ease-in-out}@media print{.topic-container{position:static;height:auto;overflow:auto}}@media all and (min-width:875px){.topic-container{left:291px}.is-hv .topic-container{left:211px}[dir=rtl] .topic-container{left:0;right:291px}.is-hv [dir=rtl] .topic-container{right:211px}}@media print{.topic-container{left:0}}.single-page-book .topic-container{left:1px}body[dir=rtl].single-page-book .topic-container{left:0;right:1px}.development.is-hv .topic-container{background:#fff4f4}.review.is-hv .topic-container{background:#f4f4ff}.staging.is-hv .topic-container{background:#f4fff4}.is-modern-hv .landing-page .topic-container{display:-webkit-flex;display:-moz-flex;display:-ms-flexbox;display:-ms-flex;display:flex;-webkit-flex-direction:column;-moz-flex-direction:column;-ms-flex-direction:column;flex-direction:column;-webkit-justify-content:center;-moz-justify-content:center;-ms-justify-content:center;justify-content:center;height:100%;padding:0}.Task .Name{cursor:pointer;position:relative;padding-left:16px}[dir=rtl] .Task .Name{padding-left:0;padding-right:16px}.Task .Name:focus{outline:0}.Task .Name:hover .task-arrow{background-image:url(img/arrow-blue.png)}.no-hover .Task .Name:hover .task-arrow{background-image:url(img/arrow.png)}.Task .Name .task-arrow{background-image:url(img/arrow.png);pointer-events:none;background-size:8px 8px;width:8px;height:8px;position:absolute;top:1.2em;left:0;-moz-transition-duration:.1s;-webkit-transition-duration:.1s;-o-transition-duration:.1s;transition-duration:.1s;-webkit-transform-origin:center center;-moz-transform-origin:center center;-ms-transform-origin:center center;-o-transform-origin:center center;transform-origin:center center}.is-hv .Task .Name .task-arrow{top:1.1em}[dir=rtl] .Task .Name .task-arrow{left:initial;right:0;-webkit-transform:rotate(180deg);-moz-transform:rotate(180deg);-o-transform:rotate(180deg);-ms-transform:rotate(180deg);transform:rotate(180deg)}.Task .Name[aria-expanded=true] .task-arrow{-webkit-transform:rotate(90deg);-moz-transform:rotate(90deg);-o-transform:rotate(90deg);-ms-transform:rotate(90deg);transform:rotate(90deg)}.link-external{background-image:url(img/icon-external-link.png);width:7px;height:7px;background-size:7px 7px;display:inline-block;margin-left:3px;margin-right:2px;position:relative;top:1px}.topic-page{padding:8% 10%;-webkit-transition:padding .3s ease-in-out;-moz-transition:padding .3s ease-in-out;-ms-transition:padding .3s ease-in-out;-o-transition:padding .3s ease-in-out;transition:padding .3s ease-in-out}@media all and (max-width:568px){.topic-page{padding:5%}}.topic-page .apd-topic{margin-bottom:40px;-webkit-backface-visibility:hidden;-moz-backface-visibility:hidden;backface-visibility:hidden}.topic-page .apd-topic .topicIcon{float:left;width:30px;height:30px;background-size:30px 30px;padding-right:10px;position:relative;top:1px}.is-hv .topic-page .apd-topic .topicIcon{display:inline}@media all and (max-width:568px){.topic-page .apd-topic .topicIcon{width:24px;height:24px;background-size:24px 24px;padding-right:8px}[dir=rtl] .topic-page .apd-topic .topicIcon{padding-right:0;padding-left:8px}}[dir=rtl] .topic-page .apd-topic .topicIcon{float:right;padding-right:0;padding-left:10px}.is-not-hv .topic-page .apd-topic a[href^=x-help],.topic-page .apd-topic.landing .topicIcon{display:none}@media print{.topic-page .apd-topic a[href^=x-help]{display:none}}.topic-page .copyright-text{display:none;white-space:pre-line;color:#b1b1b1;font-size:11px;line-height:14px;clear:both}.is-not-hv .landing-page .topic-page .copyright-text,.is-not-hv .single-page-book .topic-page .copyright-text{display:block}@media print{.topic-page .copyright-text{display:block}}.topic-page .copyright-text a{position:relative;outline:0;text-decoration:none;color:#007aff}.topic-page .copyright-text a:visited{color:#007aff}.topic-page .copyright-text a:hover{text-decoration:underline}.no-hover .topic-page .copyright-text a:hover{text-decoration:none}.topic-page .language{display:none;color:#484848;font-size:11px;margin:5px 0 0;text-align:center}.topic-page .language .cur-lang{color:#007aff;cursor:pointer;display:inline-block}.topic-page .language .cur-lang .lang-icon{background-image:url(img/changelanguage_icon2x.png);background-size:13px 13px;width:13px;height:13px;display:inline-block;position:relative;top:2px;pointer-events:none}.topic-page.landing .feedback{display:none}.topic-page.landing .copyright-text{text-align:center}.topic-page.landing .language{display:block}.topic-page.landing .topicIcon{display:none}.is-hv .single-page-book .topic-page.landing .topicIcon{display:inline}.apd-topic{color:#484848}.apd-topic .topicIcon{display:none}.apd-topic h1{position:relative;bottom:0;overflow:hidden;outline:0;font-family:HelveticaNeue-Light,"Helvetica Neue Light","Helvetica Neue",Arial,Helvetica,sans-serif;font-size:1.9rem;line-height:1.2;font-weight:400;color:#4b4b4b;margin:0 0 1em;padding:0}.is-hv .apd-topic h1{font-size:27px}@media all and (max-width:568px){.is-hv .apd-topic h1{font-size:21px}}[lang=hi] .apd-topic h1,[lang=th] .apd-topic h1{line-height:1.5}@media all and (max-width:568px){.apd-topic h1{font-size:1.5rem;margin-bottom:.7em}}.modal-content .apd-topic h1{font-size:1.5rem;margin-bottom:.7em}.apd-topic figure{margin:1.25em 0 .9em}.apd-topic figure img{max-width:100%;height:auto}.apd-topic .inlineGraphic{vertical-align:text-bottom}.apd-topic p{margin:.3em 0 1em;white-space:pre-line;word-wrap:break-word;widows:3;orphans:3}.apd-topic span.Warning.BlackIcon,.apd-topic span.Warning.EUIcon,.apd-topic span.Warning.Icon,.apd-topic span.Warning.YellowIcon{background:url(img/icon-warning.png) left top no-repeat;background-size:1.23rem 1rem;padding:0 0 0 1.5em}[dir=rtl] .apd-topic span.Warning.BlackIcon,[dir=rtl] .apd-topic span.Warning.EUIcon,[dir=rtl] .apd-topic span.Warning.Icon,[dir=rtl] .apd-topic span.Warning.YellowIcon{padding:0 1.5em 0 0;background-position:right top}.apd-topic span.Warning.EUIcon{background-image:url(img/icon-warning-eu.png)}.apd-topic span.Warning.Icon{background-image:url(img/icon-warning-black.png)}.apd-topic a{position:relative;outline:0;text-decoration:none;color:#007aff}.apd-topic a:visited{color:#007aff}.apd-topic a:hover{text-decoration:underline}.no-hover .apd-topic a:hover{text-decoration:none}.apd-topic .GlossaryTerm a{cursor:pointer;border-bottom:1px dotted #007aff}.apd-topic .GlossaryTerm a:hover{border-bottom-style:solid;text-decoration:none}.no-hover .apd-topic .GlossaryTerm a:hover{border-bottom:1px dotted #007aff}.apd-topic span.Caution,.apd-topic span.EmphasisDisplay,.apd-topic span.Important,.apd-topic span.Note,.apd-topic span.Notice,.apd-topic span.Tip,.apd-topic span.Warning{font-weight:700}.apd-topic span.Emphasis{font-style:italic}:lang(ja) .apd-topic span.Emphasis,:lang(ko) .apd-topic span.Emphasis,:lang(zh-cn) .apd-topic span.Emphasis,:lang(zh-tw) .apd-topic span.Emphasis{font-style:normal;font-weight:700}.apd-topic span.Caution,.apd-topic span.Warning{text-transform:uppercase}:lang(el) .apd-topic span.Caution,:lang(el) .apd-topic span.Warning{text-transform:none}.apd-topic span.NoBreak{white-space:nowrap}.Copyright.apd-topic,.copyright.apd-topic{font-size:.8rem}.Copyright.apd-topic h1,.copyright.apd-topic h1{display:none}.Copyright.apd-topic p:nth-of-type(1),.copyright.apd-topic p:nth-of-type(1){margin-bottom:.1em}.Copyright.apd-topic p:nth-of-type(2),.copyright.apd-topic p:nth-of-type(2){margin-top:.1em}.apd-topic li p.Caution,.apd-topic li p.Important,.apd-topic li p.Note,.apd-topic li p.Notice,.apd-topic li p.Tip{margin-top:.75em}.apd-topic .TaskBody .Alert,.apd-topic div.note{margin-top:.75em;margin-bottom:.75em}.apd-topic p.Caution,.apd-topic p.Warning{margin-bottom:.75em}.apd-topic .Alert+.Alert{margin-top:.75em}.apd-topic .yNote{font-style:italic;font-weight:700}.apd-topic .CodeBody,.apd-topic .CodeLine,.apd-topic code{font-family:Menlo,monospace;font-size:.8rem}.apd-topic .CodeLine,.apd-topic .CodeLines{display:block;font-weight:400;white-space:pre-wrap;word-break:break-word;overflow:hidden;text-overflow:ellipsis}.apd-topic .CodeLines{margin-top:.3em;margin-bottom:1em}.apd-topic .CodeLines>.CodeLine{margin-top:.25em;margin-bottom:.25em}.apd-topic .CodeEmphasis{font-style:italic}.apd-topic .CodeEmphasisDisplay{font-weight:700}.apd-topic .CodeUnderline{text-decoration:underline}.apd-topic .ConditionComment,.apd-topic .comment{margin-top:.7em;margin-bottom:.8em;color:red}.apd-topic span.ConditionComment,.apd-topic span.comment{padding-left:.4em}.apd-topic .ConditionComment:before,.apd-topic .comment:before{font-size:90%;font-weight:700;content:"COMMENT: "}.apd-topic ul.HIStrings{margin-top:1.25em;margin-bottom:.25em}.apd-topic ul.HIStrings:first-child{padding-top:0;margin-top:.65em}.apd-topic ul.HIStrings>li{margin-top:.25em;margin-bottom:.25em;list-style-type:none}.apd-topic ul.HIStrings>li>ul.HISubString{margin-top:.3em;margin-bottom:.7em;margin-left:1.5em}[dir=rtl] .apd-topic ul.HIStrings>li>ul.HISubString{margin-left:0;margin-right:1.5em}.apd-topic ul.HIStrings>li>ul.HISubString li{list-style-type:disc}.apd-topic ul.HIStrings>li>ul.HISubString li>ul.HISubString{margin-top:.85em;margin-bottom:.7em}.apd-topic ul.HIStrings>li>ul.HISubString li>ul.HISubString li{list-style-type:none}.apd-topic ul.HIStrings li>p.Para{font-size:14px!important}.apd-topic ul.HIStrings+ul.HIStrings{margin-top:.5em}.apd-topic ul.HIStrings li .Description{margin-bottom:0;margin-left:0}.apd-topic ul.HIStrings li+li{margin-top:.9em}.apd-topic ul.HIStrings .Description .Term{font-style:normal;font-weight:700;color:#000}.apd-topic ul.HIStrings .HISubString .Description{margin-left:.25em}.apd-topic ul.HIStrings .HISubString .Description .Term{font-style:italic;font-weight:400;color:#555}.apd-topic sup{font-size:80%}.apd-topic .LinkAppleWeb,.apd-topic .LinkCustomWeb,.apd-topic .LinkHandBuilt,.apd-topic .LinkSubjectAnchor,.apd-topic .LinkTopicPage{margin-top:.2em;margin-bottom:0}.apd-topic span.LinkExternal,.apd-topic span.LinkInternal,.apd-topic span.LinkUniversal{display:block;margin:2.86em 0 .5em;font-size:.75rem;font-weight:700;text-transform:uppercase}:lang(el) .apd-topic span.LinkExternal,:lang(el) .apd-topic span.LinkInternal,:lang(el) .apd-topic span.LinkUniversal{text-transform:none}.apd-topic .LinkAppleWebMovie{display:-webkit-flex;display:-moz-flex;display:-ms-flexbox;display:-ms-flex;display:flex;-webkit-flex-direction:column;-moz-flex-direction:column;-ms-flex-direction:column;flex-direction:column;-webkit-justify-content:center;-moz-justify-content:center;-ms-justify-content:center;justify-content:center;margin:1.15em 0 1.5em;background:url(img/movie-play_2x.png) no-repeat;background-size:44px 44px;font-size:.75rem;min-height:44px;cursor:pointer}.apd-topic .LinkAppleWebMovie>p{margin:0;margin-left:61px}[dir=rtl] .apd-topic .LinkAppleWebMovie>p{margin-left:0;margin-right:61px}@media all and (max-width:568px){.apd-topic .LinkAppleWebMovie>p{margin-left:51px}[dir=rtl] .apd-topic .LinkAppleWebMovie>p{margin-left:0;margin-right:51px}}.apd-topic .LinkAppleWebMovie>p.Para{pointer-events:none}.apd-topic .LinkAppleWebMovie+.LinkAppleWebMovie{margin-top:2.4em}.apd-topic ol.ListNumber,.apd-topic ul.ListBullet,.apd-topic ul.ListDescriptor,.apd-topic ul.ListSingle{margin-top:.3em;margin-bottom:1em}.apd-topic ol.ListNumber>li,.apd-topic ul.ListBullet>li,.apd-topic ul.ListDescriptor>li,.apd-topic ul.ListSingle>li{margin-top:.3em;margin-bottom:.7em}.apd-topic ul.ListBullet{list-style-type:none}.apd-topic ul.ListBullet>li{list-style:disc}.apd-topic ul.ListDescriptor{list-style-type:none;list-style-image:none}.apd-topic ul.ListDescriptor+.Alert{margin-top:-.25em!important}.apd-topic ul.ListDescriptor+.LinkTopicPage{margin-top:-.75em;margin-bottom:.5em}.apd-topic .Term{display:inline;font-weight:700}.apd-topic ol.ListNumber>li{list-style:decimal}.is-chrome .apd-topic ol.ListNumber>li,.is-ff .apd-topic ol.ListNumber>li,.is-ie .apd-topic ol.ListNumber>li{padding-left:3px}.is-chrome body[dir=rtl] .apd-topic ol.ListNumber>li,.is-ff body[dir=rtl] .apd-topic ol.ListNumber>li,.is-ie body[dir=rtl] .apd-topic ol.ListNumber>li{padding-left:0;padding-right:3px}:lang(ar) .apd-topic ol.ListNumber>li{list-style:arabic-indic}:lang(he) .apd-topic ol.ListNumber>li{list-style:hebrew}.apd-topic ol.ListNumber>li>.ListDescriptor li{margin-top:0;margin-bottom:0}.apd-topic ul.ListSingle{font-weight:400}.apd-topic ul.ListSingle>li{display:list-item;font-weight:400;list-style-type:square;list-style-position:outside;list-style-image:-webkit-gradient(radial,50% 50%,3,50% 50%,6,from(#aaa),color-stop(0.8,#aaa),to(#aaa))}.apd-topic ul.ListSingle li>p.Para{margin-top:.25em}.apd-topic ol.ListNumber.decimal>li{display:list-item;margin-top:0;margin-bottom:0;list-style:decimal}:lang(ar) .apd-topic ol.ListNumber.decimal>li{list-style:arabic-indic}:lang(he) .apd-topic ol.ListNumber.decimal>li{list-style:hebrew}.apd-topic ol.ListNumber.alpha>li{display:list-item;margin-top:0;margin-bottom:0;list-style:lower-alpha!important}.apd-topic .CopyrightAddress{margin-top:0;margin-bottom:0}.apd-topic .CopyrightAddress+.Para{margin-top:1em}.apd-topic .Subhead>.Name{margin-top:1.25em;margin-bottom:.25em;font-weight:700;color:#4b4b4b}.apd-topic .Subhead>.Name+p.Para{margin-top:0}.apd-topic .Subhead ul+.Alert{margin-left:0}[dir=rtl] .apd-topic .Subhead ul+.Alert{margin-right:0}.apd-topic .Example{margin-left:4.36em;margin-right:4.36em}.apd-topic .Task{margin:2em 0;background-color:none;border-top:1px solid #e4e4e4;border-bottom:1px solid #e4e4e4}.apd-topic .Task+.Task{margin-top:-2.1em;border-top-color:transparent}.apd-topic .Task.no-header .TaskBody{margin-top:1em}.apd-topic .Task:first-child{margin-top:1.4em}.apd-topic .Task .Name{font-size:1rem;font-weight:700;line-height:1.43;margin:0;padding-top:.79em;padding-bottom:.79em}.apd-topic .Task .Name:hover{color:#007aff}.no-hover .apd-topic .Task .Name:hover{color:#484848}.apd-topic .TaskBody{padding-bottom:0;margin-top:-.214em;margin-right:0;margin-bottom:.125em;overflow:hidden}@media screen{.apd-topic .TaskBody[aria-hidden=true]{max-height:0!important}}.apd-topic .TaskBody>.Alert,.apd-topic .TaskBody>.Alert:first-child,.apd-topic .TaskBody>.Para:first-child,.apd-topic .TaskBody>figure,.apd-topic .TaskBody>p,.apd-topic .TaskBody>p+p{margin-top:.3em}.apd-topic .cell-norowborder,.apd-topic .cellrowborder,.apd-topic .nocellnorowborder,.apd-topic .row-nocellborder,.apd-topic table,.apd-topic table td,.apd-topic table th,.apd-topic table tn,.apd-topic table tr{border:none}.apd-topic .Table{display:table;width:100%;font-size:.85rem;line-height:1.275rem;text-align:left;border-collapse:collapse;table-layout:fixed;page-break-inside:avoid}.is-hv .apd-topic .Table{font-size:.95em;line-height:1.52em}[dir=rtl] .apd-topic .Table{text-align:right}.apd-topic .Table:first-child>tbody:first-child{border-top-color:#fff!important}.apd-topic table.Table>tbody,.apd-topic table.Table[data-type=Icons],.apd-topic table.Table[data-type="At a glance"]{border-top:1px solid #e4e4e4}.apd-topic thead .TableHeadingRow,.apd-topic thead>tr,.msie.apd-topic thead>tr.TableHeadingRow{display:table-row;background:#97a6b2;border-spacing:1px 1px}.apd-topic .Table tbody tr.TableRow{display:table-row;border-bottom:1px solid #e4e4e4}.msie.apd-topic table tbody>tr>td{border-top:1px solid #e4e4e4;border-bottom:1px solid #e4e4e4}.apd-topic .Table tbody>tr.TableRow:last-child{border-bottom:1px solid #e4e4e4}.apd-topic thead+tbody tr.TableRow.TableDisplayRow:first-child,.apd-topic thead+tbody>tr{border-top:none!important}.apd-topic .Table thead>tr.TableHeadingRow th>p.TableHead,.apd-topic p.TableHead{font-weight:700;color:#fff}.apd-topic td,.apd-topic th{display:table-cell;text-align:left;vertical-align:top}[dir=rtl] .apd-topic td,[dir=rtl] .apd-topic th{text-align:right}.apd-topic td .CodeBody,.apd-topic td .CodeLine,.apd-topic td code,.apd-topic th .CodeBody,.apd-topic th .CodeLine,.apd-topic th code{font-size:.75rem;padding-top:.05em}.apd-topic .Table tbody>tr.TableRow td>p.TableDisplay{font-weight:700;vertical-align:top}.apd-topic .Table tbody>tr.TableRow td>.TableDisplay+.Para{vertical-align:top}.apd-topic .Table[data-type="1 column"]{display:table;width:100%;background-color:transparent;table-layout:fixed}.apd-topic .Table[data-type="1 column"] thead .TableHeadingRow{display:table-row;background:0 0;border-top:3px solid #e4e4e4;border-spacing:1px 1px}.apd-topic .Table[data-type="1 column"] tr{display:table-row;border-top:1px solid #e4e4e4;border-bottom:1px solid #e4e4e4}.apd-topic .Table[data-type="1 column"] tr.TableRow.TableDisplayRow{background-color:transparent}.apd-topic .Table[data-type="1 column"]>tbody{display:table-row-group;width:100%}.apd-topic .Table[data-type="1 column"] .TableDisplay,.apd-topic .Table[data-type="1 column"] .TableHead,.apd-topic .Table[data-type="1 column"] .TableSubhead{display:table-cell;overflow:hidden;font-weight:700;color:#000!important;text-overflow:ellipsis;vertical-align:top}.apd-topic .Table[data-type="1 column"] tr td figure{display:block}.apd-topic .Table[data-type=DataFullWidth],.apd-topic .Table[data-type=Data]{width:100%;background-color:transparent}.apd-topic .Table[data-type=DataFullWidth]>tbody,.apd-topic .Table[data-type=Data]>tbody{display:table-row-group;width:100%}.apd-topic .Table[data-type=DataFullWidth]>tbody>tr>td,.apd-topic .Table[data-type=Data]>tbody>tr>td{border:1px solid #e4e4e4}.apd-topic .Table[data-type=DataFullWidth] .TableHeadingRow,.apd-topic .Table[data-type=Data] .TableHeadingRow{display:table-row;background:0 0;border-spacing:1px 1px}.apd-topic .Table[data-type=DataFullWidth] thead p.TableHead,.apd-topic .Table[data-type=Data] thead p.TableHead{color:#666!important}.apd-topic .Table[data-type=DataFullWidth] tr>th,.apd-topic .Table[data-type=Data] tr>th{border:1px solid #e4e4e4}.apd-topic .Table[data-type=DataFullWidth] td>p.Para,.apd-topic .Table[data-type=Data] td>p.Para{display:block;text-align:left}.apd-topic .Table[data-type=DataFullWidth] .TableDisplay,.apd-topic .Table[data-type=DataFullWidth] .TableSubhead,.apd-topic .Table[data-type=Data] .TableDisplay,.apd-topic .Table[data-type=Data] .TableSubhead{display:block;font-weight:700;color:#555;text-align:left}.apd-topic .Table{margin-top:1em;margin-bottom:2em}.apd-topic .Table:first-child{margin-top:1.25em}.apd-topic .Table td>:first-child,.apd-topic .Table td>:first-child>:first-child,.apd-topic .Table td>:first-child>:first-child>:first-child,.apd-topic .Table th>:first-child,.apd-topic .Table th>:first-child>:first-child,.apd-topic .Table th>:first-child>:first-child>:first-child{margin-top:0!important}.apd-topic .Table td>:last-child,.apd-topic .Table td>:last-child>:last-child,.apd-topic .Table td>:last-child>:last-child>:last-child,.apd-topic .Table th>:last-child,.apd-topic .Table th>:last-child>:last-child,.apd-topic .Table th>:last-child>:last-child>:last-child{margin-bottom:0!important}.apd-topic .Table th{padding:.25em .6em .3em .5em}[dir=rtl] .apd-topic .Table th{padding:.25em .5em .3em .6em}.apd-topic .Table td{padding:.65em .6em .6em .5em}[dir=rtl] .apd-topic .Table td{padding:.65em .5em .6em .6em}.apd-topic .Table td ol,.apd-topic .Table td p,.apd-topic .Table td ul{margin-top:.4em;margin-bottom:.6em}.apd-topic .Table td>figure{padding-left:.15em;margin-top:1em!important;margin-bottom:.25em!important}[dir=rtl] .apd-topic .Table td>figure{padding-left:0;padding-right:.15em}.apd-topic .Table td>.ListBullet li>.Para,.apd-topic .Table td>.ListBullet>li,.apd-topic .Table td>.ListNumber li>.Para,.apd-topic .Table td>p.TableDisplay{margin-top:.25em!important;margin-bottom:.25em!important}.apd-topic .Table td .ListNumber>li{margin-bottom:0}.apd-topic .Table[data-type=DataFullWidth] tr>th,.apd-topic .Table[data-type=Data] tr>th{padding:.4em}.apd-topic ol.ListNumber ol.ListNumber,.apd-topic ul.ListBullet ol.ListNumber,.apd-topic ul.ListSingle ol.ListNumber{margin-left:1.5em}[dir=rtl] .apd-topic ol.ListNumber ol.ListNumber,[dir=rtl] .apd-topic ul.ListBullet ol.ListNumber,[dir=rtl] .apd-topic ul.ListSingle ol.ListNumber{margin-left:0;margin-right:1.5em}.apd-topic ol.ListNumber ul.ListBullet,.apd-topic ul.ListBullet ul.ListBullet,.apd-topic ul.ListSingle ul.ListBullet{margin-left:1.3em}[dir=rtl] .apd-topic ol.ListNumber ul.ListBullet,[dir=rtl] .apd-topic ul.ListBullet ul.ListBullet,[dir=rtl] .apd-topic ul.ListSingle ul.ListBullet{margin-left:0;margin-right:1.3em}.apd-topic ul.ListBullet>li,.apd-topic ul.ListSingle>li{padding-left:.25em}[dir=rtl] .apd-topic ul.ListBullet>li,[dir=rtl] .apd-topic ul.ListSingle>li{padding-left:0;padding-right:.25em}.apd-topic ul.ListBullet{margin-left:1.45em}[dir=rtl] .apd-topic ul.ListBullet{margin-left:0;margin-right:1.45em}.apd-topic ul.ListBullet .Example{margin-left:3em}[dir=rtl] .apd-topic ul.ListBullet .Example{margin-left:0;margin-right:3em}.apd-topic ol.ListNumber{margin-left:1.65em}[dir=rtl] .apd-topic ol.ListNumber{margin-left:0;margin-right:1.65em}.apd-topic ul.ListSingle>li{padding-left:.5em;margin-left:1.15em}[dir=rtl] .apd-topic ul.ListSingle>li{padding-left:0;padding-right:.5em;margin-left:0;margin-right:1.15em}.apd-topic ul.ListSingle>li>.ListBullet{margin-left:1.25em}[dir=rtl] .apd-topic ul.ListSingle>li>.ListBullet{margin-left:0;margin-right:1.25em}.apd-topic ul.ListDescriptor>li figure{margin-bottom:1.25em;margin-left:.25em}[dir=rtl] .apd-topic ul.ListDescriptor>li figure{margin-left:0;margin-right:.25em}.apd-topic .TaskBody{margin-left:-1.25em;padding-left:1.25em}[dir=rtl] .apd-topic .TaskBody{margin-left:0;margin-right:-1.25em;padding-left:0;padding-right:1.25em}.apd-topic .TaskBody p{margin-left:0}[dir=rtl] .apd-topic .TaskBody p{margin-left:0;margin-right:0}.apd-topic .TaskBody .ListNumber .Table,.apd-topic .TaskBody .ListSingle .Table{margin-left:-.5em}.apd-topic .TaskBody .Table{margin-left:1em;width:calc(99%);width:-webkit-calc(99%)}[dir=rtl] .apd-topic .TaskBody .Table{margin-left:0;margin-right:1em}.apd-topic .Table{margin-left:-.5em}[dir=rtl] .apd-topic .Table{margin-left:0;margin-right:-.5em}.landing.apd-topic{text-align:center}.landing.apd-topic h1{font-size:38px;color:#4b4b4b;margin:5px 0 12px}@media all and (max-width:568px){.is-not-hv .landing.apd-topic h1{font-size:27px;margin-top:5px;margin-bottom:0}}.landing.apd-topic h1+p{font-size:17px;line-height:22px;color:#7a7a7a;margin-bottom:35px;padding-bottom:40px;border-top:none;border-bottom:1px solid #e4e4e4}@media all and (max-width:568px){.is-not-hv .landing.apd-topic h1+p{font-size:14px;line-height:21px;padding-bottom:14px;margin:6px 0 0;border-bottom:none}}.landing.apd-topic figure{padding-top:10px;padding-right:4%;padding-bottom:0;width:48%;float:left;margin:0 auto 35px;text-align:right;-webkit-transition:width .3s ease-in-out;-moz-transition:width .3s ease-in-out;-ms-transition:width .3s ease-in-out;-o-transition:width .3s ease-in-out;transition:width .3s ease-in-out}.landing.apd-topic figure:last-child{float:none;text-align:center;width:100%;max-width:100%;padding-left:0;padding-right:0}[dir=rtl] .landing.apd-topic figure{float:right;padding-left:4%;padding-right:0}[dir=rtl] .landing.apd-topic figure:last-child{float:none}@media all and (max-width:568px){.landing.apd-topic figure{fload:none;margin:10px 0;text-align:center;width:100%;max-width:100%;padding:0;min-width:288px!important}}.landing.apd-topic figure img{padding:0;text-align:center}.landing.apd-topic .Subhead{text-align:left;padding-left:0;padding-top:6px;padding-bottom:0;margin-bottom:0}[dir=rtl] .landing.apd-topic .Subhead{text-align:right}@media all and (max-width:568px){.landing.apd-topic .Subhead{width:100%;clear:both;padding:0}}.landing.apd-topic .Subhead .Name{font-size:21px;font-family:HelveticaNeue-Light,"Helvetica Neue Light","Helvetica Neue",Arial,Helvetica,sans-serif;line-height:26px;font-weight:400;color:#4b4b4b}@media all and (max-width:568px){.landing.apd-topic .Subhead .Name{font-size:17px;line-height:22px;margin-top:.5em}}.feedback{position:relative;padding-top:1.6em}@media print{.feedback{display:none}}@media all and (max-width:568px){.feedback{padding-top:2.4em}}.feedback a{color:#007aff;text-transform:none;cursor:pointer}.feedback a:hover{text-transform:underline}.no-hover .feedback a:hover{text-transform:none}.feedback .choices-label,.feedback .confirm,.feedback .solicit{-webkit-transition:opacity .3s ease-in-out,max-width 0 ease-in-out .3s;-moz-transition:opacity .3s ease-in-out,max-width 0 ease-in-out .3s;-ms-transition:opacity .3s ease-in-out,max-width 0 ease-in-out .3s;-o-transition:opacity .3s ease-in-out,max-width 0 ease-in-out .3s;transition:opacity .3s ease-in-out,max-width 0 ease-in-out .3s;position:absolute;top:0;margin:0;opacity:1}.feedback .choices-label[aria-hidden=true],.feedback .confirm[aria-hidden=true],.feedback .solicit[aria-hidden=true]{overflow:hidden;opacity:0;max-width:0}.feedback .choices-label,.feedback .confirm{font-weight:700}.feedback .solicit{font-style:italic}.feedback form{-webkit-transition:max-height .3s ease-in-out,opacity .3s ease-in-out;-moz-transition:max-height .3s ease-in-out,opacity .3s ease-in-out;-ms-transition:max-height .3s ease-in-out,opacity .3s ease-in-out;-o-transition:max-height .3s ease-in-out,opacity .3s ease-in-out;transition:max-height .3s ease-in-out,opacity .3s ease-in-out;margin:1em 0;max-height:800px;opacity:1}.feedback form[aria-hidden=true]{overflow:hidden;max-height:0;opacity:0}.feedback .choices label{position:relative;display:block;margin:.4em 0;padding:0 0 0 1.5em}[dir=rtl] .feedback .choices label{padding:0 1.5em 0 0}.feedback .choices input{position:absolute;top:.25em;left:0}[dir=rtl] .feedback .choices input{left:auto;right:0}.feedback textarea{resize:none;height:6em;width:100%}.feedback button{color:#4a4a4a}.search-results{color:#606060;position:absolute;-webkit-transition:left .3s ease-in-out,right .3s ease-in-out,width .3s ease-in-out,opacity .1s ease-in-out;-moz-transition:left .3s ease-in-out,right .3s ease-in-out,width .3s ease-in-out,opacity .1s ease-in-out;-ms-transition:left .3s ease-in-out,right .3s ease-in-out,width .3s ease-in-out,opacity .1s ease-in-out;-o-transition:left .3s ease-in-out,right .3s ease-in-out,width .3s ease-in-out,opacity .1s ease-in-out;transition:left .3s ease-in-out,right .3s ease-in-out,width .3s ease-in-out,opacity .1s ease-in-out;box-shadow:0 0 2px 2px rgba(0,0,0,.1);right:0;overflow:auto;height:100%;width:290px;background:#fff;z-index:20}@media print{.search-results{display:none}}[dir=rtl] .search-results{right:auto;left:0}.search-results[aria-hidden=true]{-webkit-transition:left .3s ease-in-out,right .3s ease-in-out,width .3s ease-in-out,opacity .2s ease-in-out .2s;-moz-transition:left .3s ease-in-out,right .3s ease-in-out,width .3s ease-in-out,opacity .2s ease-in-out .2s;-ms-transition:left .3s ease-in-out,right .3s ease-in-out,width .3s ease-in-out,opacity .2s ease-in-out .2s;-o-transition:left .3s ease-in-out,right .3s ease-in-out,width .3s ease-in-out,opacity .2s ease-in-out .2s;transition:left .3s ease-in-out,right .3s ease-in-out,width .3s ease-in-out,opacity .2s ease-in-out .2s;opacity:0;pointer-events:none;right:-568px}[dir=rtl] .search-results[aria-hidden=true]{right:auto;left:-568px}@media all and (max-width:568px){.search-results{opacity:1!important;box-shadow:none;width:100%}}.search-results .query{padding:10px;background:#fafbfb}.search-results .query input{-moz-box-sizing:border-box;box-sizing:border-box;font-size:13px;color:#484848;height:30px;width:100%;border-radius:15px;border:1px solid #e4e4e4;padding:0 30px 0 10px;background-size:12px 12px}.search-results .query input:focus{outline:0}.search-results .query button[name=reset]{position:absolute;top:10px;right:11px;height:29px;width:29px;-webkit-border-radius:30px;-moz-border-radius:30px;border-radius:30px;border:none;color:transparent;background:url(img/button-clear-search.png) no-repeat center;background-size:15px 15px;overflow:hidden}[dir=rtl] .search-results .query button[name=reset]{right:auto;left:17px}.search-results .query button[name=reset].hidden,.search-results.no-result .count,.search-results.no-result .list{display:none}.search-results .count{overflow:hidden;text-overflow:ellipsis;padding:12px;font-size:11px;font-weight:700;color:#484848}.search-results a{display:block;padding:13px 12px 14px;text-decoration:none;border:0;border-bottom:1px solid #f7f7f7;border-image:-webkit-linear-gradient(left,#fff 0,#fff 12px,#f7f7f7 12px,#f7f7f7 100%) 0 0 1 0;border-image-width:0 0 1px 0}[dir=rtl] .search-results a{border-image:-webkit-linear-gradient(right,#fff 0,#fff 12px,#f7f7f7 12px,#f7f7f7 100%) 0 0 1 0;border-image-width:0 0 1px 0}.search-results a.active{border-image:none;background-color:#f2f2f2}.search-results a .name{pointer-events:none;font-size:13px;line-height:17px;color:#484848}.search-results a:hover .name{color:#007aff}.no-hover .search-results a:hover .name{color:#484848}.search-results a .path{pointer-events:none;font-size:11px;line-height:15px;color:#b2b2b2}.modal{display:-webkit-box;display:-moz-box;display:-ms-flexbox;display:-webkit-flex;display:flex;-webkit-box-direction:normal;-moz-box-direction:normal;-webkit-box-orient:vertical;-moz-box-orient:vertical;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;-webkit-flex-wrap:nowrap;-ms-flex-wrap:nowrap;flex-wrap:nowrap;-webkit-box-pack:center;-moz-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;-webkit-align-content:center;-ms-flex-line-pack:center;align-content:center;-webkit-box-align:center;-moz-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;z-index:1000;position:fixed;-webkit-transition:padding .3s ease-in-out;-moz-transition:padding .3s ease-in-out;-ms-transition:padding .3s ease-in-out;-o-transition:padding .3s ease-in-out;transition:padding .3s ease-in-out;background:rgba(0,0,0,.6);top:0;right:0;bottom:0;left:0;padding:2%;-webkit-animation:show-modal .2s;-moz-animation:show-modal .2s;-ms-animation:show-modal .2s;-o-animation:show-modal .2s;animation:show-modal .2s}@media all and (max-width:568px){.modal{padding:2%}}.modal.dismiss{-webkit-animation:show-modal .2s reverse;-moz-animation:show-modal .2s reverse;-ms-animation:show-modal .2s reverse;-o-animation:show-modal .2s reverse;animation:show-modal .2s reverse;opacity:0}.modal .hv-close-btn{z-index:1010;height:15px;top:25px;right:12px}.modal .hv-close-btn button[name=close]{display:block;border:none;margin:0;padding:10px;color:transparent;background:url(img/button-close.png) no-repeat center;background-size:15px 15px;width:15px;height:15px;position:absolute;top:9px;right:9px}.modal .hv-close-btn,.modal .modal-content,.modal .modal-footer,.modal .modal-header{width:90%;margin:0 auto;max-width:740px;position:relative}.modal .modal-content{overflow-y:auto;overflow-x:hidden;border-radius:4px 4px 0 0;background:#fff;-webkit-transition:max-height .3s ease-in-out;-moz-transition:max-height .3s ease-in-out;-ms-transition:max-height .3s ease-in-out;-o-transition:max-height .3s ease-in-out;transition:max-height .3s ease-in-out;max-height:70%;max-height:calc(96% - 45px);-webkit-box-ordinal-group:1;-moz-box-ordinal-group:1;-webkit-order:0;-ms-flex-order:0;order:0;-webkit-box-flex:0;-moz-box-flex:0;-webkit-flex:0 1 auto;-ms-flex:0 1 auto;flex:0 1 auto;-webkit-align-self:auto;-ms-flex-item-align:auto;align-self:auto}.is-hv .modal .modal-content{border-radius:4px}.modal.modal-video-player{background-color:rgba(255,255,255,.9)}.modal.modal-video-player .modal-content{overflow-x:visible;overflow-y:visible}.modal.modal-video-player .modal-footer{display:none}.modal.modal-video-player button[name=close]{display:block;border:none;margin:0;padding:0;color:transparent;background:url(img/button-close-2.png) no-repeat center;background-size:29px 29px;width:29px;height:29px;position:absolute;top:-60px;right:25px}.modal.modal-video-player video{width:620px;margin:5px auto 0;display:block}.is-not-hv .modal .apd-topic{padding:7% 8% -webkit-calc(8% - 45px);padding:7% 8% calc(8% - 45px)}.is-hv .modal .apd-topic,.is-safari5 .modal .apd-topic{padding:7% 8%!important}@media all and (max-width:568px){.modal .apd-topic{padding:5% 5% 5px}}.modal .apd-topic h1{pointer-events:none}.modal .modal-header{text-align:center;background-color:#f3f5f6;border-bottom:1px solid #fafbfb;display:none;height:50px}.modal .modal-header h2{color:#545454;font-size:18px;line-height:18px;padding:15px;margin:0}.modal .modal-footer{border-radius:0 0 4px 4px;border-top:1px solid #e4e4e4;text-align:center;background:#fff;height:50px}.modal .modal-footer button[name=close]{border:none;background:0 0;margin:0;padding:15px;width:100%;color:#2f2f2f;font-size:18px;line-height:18px}.is-hv .modal .modal-footer{display:none}.modal.has-modal-header .modal-header{display:block;border-radius:4px 4px 0 0}.modal.has-modal-header .modal-content{border-radius:0;max-height:calc(96% - 45px - 50px)}.is-hv .modal.has-modal-header .modal-content{border-radius:0 0 4px 4px}@-webkit-keyframes show-modal{from{opacity:0}to{opacity:1}}@-moz-keyframes show-modal{from{opacity:0}to{opacity:1}}@-ms-keyframes show-modal{from{opacity:0}to{opacity:1}}@-o-keyframes show-modal{from{opacity:0}to{opacity:1}}@keyframes show-modal{from{opacity:0}to{opacity:1}}.nb{white-space:nowrap}.loading-error{background-image:none;width:600px;position:relative;margin:0 auto;text-align:center;left:inherit}.loading-error h2{margin-bottom:.5em}.loading-error p{margin:0}.language-picker{min-height:150px}.language-picker.modal .modal-content,.language-picker.modal .modal-footer,.language-picker.modal .modal-header{width:300px}.language-picker.modal .modal-content{max-height:500px;border-radius:0!important}.language-picker.modal .modal-content button{display:none}.language-picker.modal .modal-footer{display:block!important}.language-picker ul{background-color:#fff;width:300px;overflow:auto;padding:0;margin:0}.language-picker ul li{list-style:none;margin:0 20px;padding:13px 0;border-bottom:1px solid #f2f2f2;cursor:pointer}.language-picker ul li:last-of-type{border-bottom:none}.language-picker ul li[dir=rtl] .language-picker ul li{text-align:right}.toc-button{opacity:0;color:transparent;position:absolute;top:42%;top:calc(50% - 65px/2);top:-webkit-calc(50% - 65px/2);-webkit-backface-visibility:hidden;background:url(img/button-toc-toggle.png) no-repeat center center;background-size:17px 16px;width:25px;height:65px;border:1px solid #b7babe;border-radius:0 9px 9px 0;z-index:21;background-color:#b7babe;-webkit-transition:opacity .5s ease-in-out;-moz-transition:opacity .5s ease-in-out;-ms-transition:opacity .5s ease-in-out;-o-transition:opacity .5s ease-in-out;transition:opacity .5s ease-in-out;pointer-events:none}@media print{.toc-button{display:none}}[dir=rtl] .toc-button{border-radius:9px 0 0 9px;background-image:url(img/button-toc-toggle-rtl.png)}.toc-button.toc-button-pin{pointer-events:auto;opacity:.5;left:0}.toc-button.toc-button-pin:hover{opacity:.9;-webkit-transition:opacity .5s ease-in-out;-moz-transition:opacity .5s ease-in-out;-ms-transition:opacity .5s ease-in-out;-o-transition:opacity .5s ease-in-out;transition:opacity .5s ease-in-out}[dir=rtl] .toc-button.toc-button-pin{left:auto;right:0}.loaded-timer .toc-button.toc-button-pin{opacity:.9}.is-older-hv .toc-button{display:block}