html {
     margin: 0;
     padding: 0;
     height: 100%;
}

body {
     padding: 0;
     margin: 0;
     height: 100%;
     background-color: #505061;
     background-image: url(Gradient_BK.jpg);
     background-position: 0 0;
     background-repeat: repeat-x;
     background-attachment: scroll;
}

#scriptContainer {
                 position: relative;
                 width: 640px;
                 height: 40%;
                 margin: 0 auto;
                 top: 50%;
                 padding: 5px;
                 background-color: #FFF;
                 overflow: scroll;
                 overflow-y: scroll;
                 overflow-x: hidden;
}

#scriptContainer pre {
                 margin: 0;
}