1 - Select The Text You Want To Highlight
Select the word or phrase you want to highlight. You may need to select the word or phrase, then click on it and then select the word or phrase again as you have to use the white toolbar. Click on the filler icon.
2 - Select the Highlight Color
When you click on the filler icon the color palette will open. Select the color you want to use a s background color and click on 'Choose'. For this example we are using the yellow color.
Here is the result!