.mask{ position: relative; overflow: hidden; margin: 0px 0 0 0; width: 970px; } .header2{ float: left; width: 100%; background-color: #f4f4f4 } .colleft{ position: relative; width: 100%; right: 50%; background-color: #000000 } .col1{ position: relative; overflow: hidden; float: left; width: 470px; left: 100%; } .col2{ position: relative; overflow: hidden; float: left; width: 470px; left: 3%; } a:hover, a:active { color: #c61a1a; text-decoration: underline; }