Is it possible to change HTML of header and footer and message details on the forum?

[vinothkannans (Vinoth Kannan)]

Add a custom header with a dropdown menu

We’ll be implementing a black header with one link that reveals a menu of more links, like this: [image] In Admin > Customize > CSS/HTML, create a new customization. Remember that you can have multiple customizations active at the same time, so it’s a good idea to use many of them instead of one giant one for everything. For this custom header, create a new customization called “Header Nav”. [image] To implement this sample nav, we need some CSS, HTML, and javascript to show and hide the d…