body{
margin:0;
text-align:center;
}
#wrapper{
background-color: #FF0000;
margin:0 auto;
width: 40em;
}
#col-left{
background-color: #00FF00;
float: left;
width:10em;
}/*briano*/
#col-right{
background-color: #0000FF;
float: left;
width:30em;
}