Adds the viewport width and height as a :before pseudo element on the body to help with obtaining values for responsive breakpoints if a url paramater of mqdebug=true exists.
JavaScript
Latest commit 00a71e7 Jul 8, 2012 Matt Stow Added bookmarklet page
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README.md
izilla.mq.debug.bookmarklet.js
izilla.mq.debug.bookmarklet.min.js
izilla.mq.debug.js
izilla.mq.debug.min.js
izilla.mq.debugger.bookmarklet.html

README.md

Izilla Media Query Debugger

Adds the viewport width and height as a :before pseudo element on the body to help with obtaining values for responsive breakpoints

Use the bookmarklet to quickly test any site. Get it here: http://izilla.com.au/git/izilla.mq.debugger.bookmarklet.html

Or include izilla.mq.debug.bookmarklet.min.js in your page after the opening body tag, and trigger it with a querystring parameter of mqdebug=true