Hi, I'm an absolute beginner 🙂
I have this header that I would like to have on all my pages, iframe not, the link starts in a new iframe.
Include I can't make it work, I've tried this, https://www.w3schools.com/howto/howto_html_include.asp
but can't make it work.
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" type="text/css" href="w3.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.