Adding UTC Text Blocks to Your Content Page
-  
In your content page, select the “Layout” option.

 - Add Text Block 
Scroll down and select to our “Add block” option on the page. Then select our “Create custom block” option at the very top of the pop-up menu. From there, we can see our “UTC Text Block” located towards the bottom of the menu. After selecting the “UTC Text Block”, your block will appear and display tools similar to what you would find in Microsoft Word or Google Documents.

 - Save and Finish! 
Once your text is within the text box and has the desired formatting. Click the “Add block” option at the bottom left, and then your text block will appear on your content page.
 
More information about UTC Text Blocks 
Accordion Text Blocks in Drupal