Solid Underline Below Header
Description
Add a solid underline below the header on both desktop and mobile. This plugin uses css editor and works with Squarespace 7.1.
How To Install
From your Squarespace account, go to the Custom CSS Editor. Copy and paste the code below into the Custom CSS Editor box.
Customize
Adjust border bottom value to your liking.
The code will apply to both desktop and mobile headers. It will also work great if fixed position is enabled in header settings.