CSS UL to Multi Column

 

CSS

 

XHTML

 

Semantics

 

Accessibility

 

Usability

 

Web Standards

 

PHP

 

Typography

 

Grids

 

CSS3

 

HTML5

 

UI

css
ul{
  width:760px;
  margin-bottom:20px;
  overflow:hidden;
  border-top:1px solid #ccc;
}
li{
  line-height:1.5em;
  border-bottom:1px solid #ccc;
  float:left;
  display:inline;
}
#double li  { width:50%;}
#triple li  { width:33.333%; }
#quad li    { width:25%; }
#six li     { width:16.666%; }

demo

source