#right300 { width:300px; float:right; margin-left:10px; margin-bottom:5px; } Div.rightBox300 { width:300px; margin-left:15px; margin-bottom:15px; float:right; } Div.rightBox400 { width:400px; margin-left:15px; margin-bottom:15px; float:right; } .border-top { border-top-width: thin; border-top-style:dotted; border-top-color:#CCCCCC; } .margin-top-thirty { margin-top:30px; } .margin-top-forty{ margin-top:40px; } .margin-top-fifty{ margin-top:50px; } .margin-right-twenty-five { margin-right:25px; } .margin-right-thirty{ margin-right:30px; } .center { text-align:center; }