a data list for label:value pairs

pairValue.css

dl.pairValue {
    display: block;
    margin: 0;
    vertical-align: top;
}

/* optional if you add clearfix to the dl
dl.pairValue:after {  
	clear: both;
    content: ".";
    display: block;
    height: 0;
    visibility: hidden;	
}
*/

dl.pairValue dt:after {
    content: ": ";
}

dl.pairValue dt {
    clear: left;
    float: left;    
    width: 100px;
}

dl.pairValue dd {
    float: left;    
}

pairValue.html

<dl class="pairValue">
	<dt>label</dt>
    	<dd>description</dd>
</dl>