You can adjust the colours used in your blog kit in a single location. Once you have added the CSS to your site, you will see a Global Styles section at...

You can adjust how many columns are displayed in the grid layout, and for the related posts in the single post template. Once you have added the CSS ...

You can adjust the length of the excerpt in Divi blog kits in th jQuery. Once you have added the jQuery to your site, find the following section of code...