CSS Browser Selector- Clever technique to help you on CSS hacks.

CSS Browser Selector- Clever technique to help you on CSS hacks.

CSS Browser Selector is a very small javascript with just one line which empower CSS selectors. It gives you the ability to write specific CSS code for each operating system and each browser.


The color of box can change on different os/browsers:

  • Internet Explorer – yellow
  • Internet Explorer 7 – orange
  • Gecko Engine on Windows (Firefox, Mozilla, Camino) – red
  • Gecko Engine on Linux (Firefox, Mozilla, Camino) – pink
  • Gecko Engine on Other OS (Firefox, Mozilla, Camino) – gray
  • Opera – green
  • Konqueror – blue
  • Safari – black
  • Chrome – cyan

Source of this example:


git clone git://github.com/rafaelp/css_browser_selector.git


1. Copy and paste the line below, inside and tag

<script src=”css_browser_selector.js” type=”text/javascript”></script>


2. Set CSS attributes with the code of each browser/os you want to hack

html.gecko div#header { margin: 1em; }
.opera #header { margin: 1.2em; }
.ie .mylink { font-weight: bold; }
.mac.ie .mylink { font-weight: bold; }
.[os].[browser] .mylink { font-weight: bold; } -> without space between .[os] and .[browser]

Available OS Codes [os]:

  • win – Microsoft Windows (all versions)
  • vista – Microsoft Windows Vista new
  • linux – Linux (x11 and linux)
  • mac – Mac OS
  • freebsd – FreeBSD
  • ipod – iPod Touch
  • iphone – iPhone
  • ipad – iPad new
  • webtv – WebTV
  • j2me – J2ME Devices (ex: Opera mini) changed from mobile to j2me
  • blackberry – BlackBerry new
  • android – Google Android new
  • mobile – All mobile devices new

Available Browser Codes [browser]:

  • ie – Internet Explorer (All versions)
  • ie8 – Internet Explorer 8.x
  • ie7 – Internet Explorer 7.x
  • ie6 – Internet Explorer 6.x
  • ie5 – Internet Explorer 5.x
  • gecko – Mozilla, Firefox (all versions), Camino
  • ff2 – Firefox 2
  • ff3 – Firefox 3
  • ff3_5 – Firefox 3.5
  • ff3_6 – Firefox 3.6 new
  • opera – Opera (All versions)
  • opera8 – Opera 8.x
  • opera9 – Opera 9.x
  • opera10 – Opera 10.x
  • konqueror – Konqueror
  • webkit or safari – Safari, NetNewsWire, OmniWeb, Shiira, Google Chrome
  • safari3 – Safari 3.x
  • chrome – Google Chrome
  • iron – SRWare Iron
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