body {background-color: #97dc66;}

#col1 {position: absolute;left: 25%;top: 28px;bottom: 38px;width: 75%;z-index: 5;overflow: auto;}

* html #col1 {height: 100%;top: 0;bottom: 0;border-top: 28px solid #fff;border-bottom: 38px solid #fff;}