Kode CSS untuk layout

<style type="text/css">
* {
 padding: 0;
 margin: 0;
}
body {
 font-family: Arial, Helvetica, sans-serif;
 font-size: 13px;
}
#utama {
 margin: 0 auto;
 width: 800px;
 padding:10px;
}
#informasi {
 margin-bottom: 5px;
 overflow: auto; 
 width: 800px;
 background-color:#ECFEEB;
}
#header {
 color: #333;
 padding: 10px;
 height: 100px;
 margin: 10px 0px 5px 0px;
 background:#BEFBBB;
}
#menu-atas {
 color: #333;
 padding: 10px;
 margin: 10px 0px 5px 0px;
 background:#BEFBBB;
}
#leftcolumn {
 display: inline;
 color: #333;
 margin: 10px;
 padding: 5px;
 width: 195px;
 float: left;
 background-color:#CCCCCC
}
#rightcolumn {
 float: right;
 color: #333;
 margin:0;
 padding: 0px;
 width: 580px;
 display: inline;
 position: relative;
 padding:10px;
}
#footer {
 clear: both;
 color: #333;
 background: #BEFBBB;
 margin: 0px 0px 10px 0px;
 padding: 10px;
}
.clear {
 clear: both;
 background: none;
}
</style>