html, body{ 
 margin:0; 
 padding:0; 
 } 
 
#pagewidth{
     width: 900px;
     background-color:#FFFFFF; 
          }
 
#leftcol{
 width:33%; 
 float:left; 
 position:relative; 
 background-color:#FFFFFF; 
 }
 
#twocols{
 width:100%; 
 float:left; 

  }
 
#rightcol{
 width:33%; 
 float:left; 
 position:relative; 
 background-color:#FFFFFF;
 }
 
#maincol{background-color: #FFFFFF;  
 float: left; 
 display:inline; 
 position: relative; 
 width:33%; 
 }
 
.clearfix:after {
 content: "."; 
 display: block; 
height: 0; 
 clear: both; 
 visibility: hidden;
 }
 
.clearfix{display: inline-block;}

/* Hides from IE-mac \*/
* html .clearfix{height: 1%;}
.clearfix{display: block;}
/* End hide from IE-mac */