body {
text-align: center; /* Für IE 5.01 & 5.5, um die Box #wrapper horizontal zu zentrieren */
}

/* DIV-Boxen */

div#wrapper {
width: 456px;
padding-top:25px;
margin: 10 auto; 
}

div#leftCol {
float: left; 
width: 145px;
border: 1px dashed #b8b8b8;
background: #e2e2e2;
}

div#rightCol {
float: right; 
width: 145px;
border: 1px dashed #b8b8b8; 
background: #e2e2e2;
}

div#centerCol {
margin: 0 0 0 12.80em;
width: 146px;
border: 1px dashed #b8b8b8; 
}

/* clearfix zum Aufheben der Floatumgebung */

.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 */