Presidio: Remove sidebar widget backgrounds (or change to borders)
This Code Hack allows you to remove the gray sidebar widget backgrounds in the Presidio theme (and even convert the backgrounds to borders). If you don’t want a border, simply delete the “Border: 1px solid #000000” from each part of the code.
Here's what this Code Hack looks like in action. The first part of the video shows the user adjusting the new border color and size for widgets. The second part shows what happens if you remove the border property, and instead add a hex code to the background property:
And here's the code you need to implement it: