You can make text stand out by adding a shadow or an outline to it.
Select the text you want to change.
To change all of the text in a text box or a table cell, select the text box or triple-click the table cell.
Click the Text tab at the top of the sidebar on the right, then click the Style button near the top of the sidebar.
If you don’t see a sidebar, or the sidebar doesn’t have a Text tab, click 
in the toolbar.
In the Font section, click 
, then select or deselect the Outline checkbox.
Select the text you want to change.
To change all of the text in a text box or a table cell, select the text box or triple-click the table cell.
Click the Text tab at the top of the sidebar on the right, then click the Style button near the top of the sidebar.
If you don’t see a sidebar, or the sidebar doesn’t have a Text tab, click in the toolbar.
In the Font section, click , then select the Shadow checkbox.
Use the controls to adjust the appearance of the shadow:
Blur: Click the arrows to increase or decrease the sharpness of the shadow.
Offset: Click the arrows to change the amount of space between the text and the shadow.
Opacity: Make the shadow more or less transparent.
Angle: Drag the Angle wheel to change the direction of the light source. You can also enter a value in the field next to the wheel.
Color: Click the left color well to choose a color for the shadow that coordinates with other theme elements. To choose any color, click the color wheel on the right.
To remove a shadow, select the text, then deselect the Shadow checkbox.