There are other ways to make a unique looking theme. You can also play around with the color of the border of the blocks.
Let's look at an example of how we can change the color of the border within the default block, that is, the CATEGORIES block.
Let's start by inspecting the element through Firebug.
You can see from the preceding screenshot that the
border bottom property is
border bottom: 1 px solid #595A5E. Now let's change