Home › Forums › Support › Add permanent header underline This topic has 1 reply, 2 voices, and was last updated 4 years, 1 month ago by David. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts February 22, 2020 at 3:35 am #1173402 Simon Is it possible to underline the header / navigation section with a maximum width? How can I add that with a specific height and color? Thank you! February 22, 2020 at 9:16 am #1173741 DavidStaff Customer Support Hi there, try adding this CSS to your site: .main-navigation { border-bottom: 4px solid #ff0000; } Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In