iframe
{
    width:100%;
    height:400px;
    
    margin:0px;
    padding:0px;
    
    border:1px solid #DBDBDB;

    -webkit-box-sizing:border-box;
    -moz-box-sizing:border-box;
    box-sizing:border-box;
    
    -webkit-border-radius:1px;
	-moz-border-radius:1px;
	border-radius:1px;
    
    display:block;
}