title: Can I visualise media queries in Firefox like in Chrome?
body: <p>Can I have something like this in Firefox/Firebug? I mean those colored lines under the rulette of resulutions - without this I can't use Firefox for editing CSS with media queries.</p>
  
  <p><img src="https://i.stack.imgur.com/KL1go.png" alt="enter image description here"></p>