This can be done through the advanced template editor by following these steps:
going from control panel into design then customize template and then inside the editor click at Main Content Tap then click on the Promotion Boxes icon ... Next image for illustration
Next image for illustration
After clicking on the Promotion Boxes icon will display the Promotion Boxes settings on your store ... Next image for illustration
enter into the desired Promotion Box and you will find inside it the special settings of Card Small Title and Card Big Title with the addition of Card Button Text and placing Card Button Link with the possibility to specify Card Color and upload the Card Image of the Promotion Box ... The following images for clarification
After making the changes you want, you can click on Save to view the changes and after confirming them click on Publish ... There is an option to add more than one Promotion Box and do setting for each Promotion Box like others whether adding Card Small Title and Card Big Title with the addition of Card Button Text and placing Card Button Link with the possibility to specify Card Color and upload the Card Image of the Promotion Box .
Save Icon: This icon means when you press at it means the amendments that have been made and applied and appear to Admin of the store only without publication and appearance to customers online ...
Publish Icon: This icon means when you click on it means to apply what has been saved previously to be published online on your store for your customers ...
You can see the following videos that were created to help you design your store