Targeting IE with jQuery, but it doesn't seem to be working

Posted on 2011-10-24
Medium Priority
Last Modified: 2012-06-27
I'm using a script I found called CSS Browser selector. It's worked great in the past, for Chrome, but now I can't seem to get it to work with IE7. The script is supposed to add a browser class to the body tag, but it's not doing it.
I want to to align the text vertically centered and horizontally centered in the thumbnails. I found a hack for IE7 because it doesn't support CSS tables. So I wanted to target IE7 with the script.

Here's the site:


And the browser selector code:

function css_browser_selector(u){var ua=u.toLowerCase(),is=function(t){return ua.indexOf(t)>-1},g='gecko',w='webkit',s='safari',o='opera',m='mobile',h=document.documentElement,b=[(!(/opera|webtv/i.test(ua))&&/msie\s(\d)/.test(ua))?('ie ie'+RegExp.$1):is('firefox/2')?g+' ff2':is('firefox/3.5')?g+' ff3 ff3_5':is('firefox/3.6')?g+' ff3 ff3_6':is('firefox/3')?g+' ff3':is('gecko/')?g:is('opera')?o+(/version\/(\d+)/.test(ua)?' '+o+RegExp.$1:(/opera(\s|\/)(\d+)/.test(ua)?' '+o+RegExp.$2:'')):is('konqueror')?'konqueror':is('blackberry')?m+' blackberry':is('android')?m+' android':is('chrome')?w+' chrome':is('iron')?w+' iron':is('applewebkit/')?w+' '+s+(/version\/(\d+)/.test(ua)?' '+s+RegExp.$1:''):is('mozilla/')?g:'',is('j2me')?m+' j2me':is('iphone')?m+' iphone':is('ipod')?m+' ipod':is('ipad')?m+' ipad':is('mac')?'mac':is('darwin')?'mac':is('webtv')?'webtv':is('win')?'win'+(is('windows nt 6.0')?' vista':''):is('freebsd')?'freebsd':(is('x11')||is('linux'))?'linux':'','js']; c = b.join(' '); h.className += ' '+c; return c;}; css_browser_selector(navigator.userAgent);

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Sorry, the code was all on one line when I downloaded it.

/********** Works/Authors List **********/

#featured h2, 
#all-items h2 {
	height: 39px;
	margin-bottom: 0;
	padding: 17px 0 0 80px;
	color: #fff;
	font-size: 1.7em;
.list-o-items {
	margin-bottom: 22px;
	padding: 20px 0 0 13px;	
	overflow: hidden;
	font: .9em Helvetica, Arial, sans-serif;
	font-weight: 500;
	.list-o-items li {
		float: left;
		width: 135px;
		height: 230px;
		margin: 0 12px 12px 0;
		border-radius: 10px;
		-webkit-border-radius: 10px;
		-o-border-radius: 10px;
	.ie7 .list-o-items li { /* targeting IE7 using css_browser_selector.js centering text-vertically */
		position: relative;
	.list-o-items li:first-child {
		margin-left: 0;
		.list-o-items  li img {
			border-radius: 10px;
			-webkit-border-radius: 10px;
			-o-border-radius: 10px;
		.list-o-items li h3 {
			display: table;
			width: 125px;
			height: 49px;
			padding: 5px;
			overflow: hidden;
		.ie7 .list-o-items li h3 { /* targeting IE7 using css_browser_selector.js centering text-vertically */
			position: absolute;
			top: 50%;
			.list-o-items li h3 a {
			display: table-cell;
			width: 100%;
  		vertical-align: middle;
			color: #fff;
			text-align: center;
			text-decoration: none;
			font-weight: normal;
			.ie7 .list-o-items li h3 a { /* targeting IE7 using css_browser_selector.js centering text-vertically */
				position: relative;
				top: 50%

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Question by:Alicia St Rose
LVL 43

Accepted Solution

David S. earned 2000 total points
ID: 37021890
The JavaScript seems to be working fine (you don't have the IE Developer Toolbar for IE7?). The problem seems to be with the CSS.

Firstly, IE7 has problems with "left:auto", so to fix that give "left:0" to ".ie7 .list-o-items li h3".

Secondly, you don't really want to vertically align the <h3> anyway; you want to vertically align its contents.

I would recommend a different vertical centering technique. I would use "display:inline-block" for IE7 as shown in these pages:

Author Closing Comment

by:Alicia St Rose
ID: 37102742
Sorry, it took so long to reply. I got pushed to the wall with deadlines!

Thanks so much!

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