div.BackgroundImg {
    width: 100%;
    height: 100%;
    position: fixed;
    background: #000100; /* Old browsers */
    background: -moz-linear-gradient(top, #000100 0%, #ff0000 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#000100), color-stop(100%,#ff0000)); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(top, #000100 0%,#ff0000 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(top, #000100 0%,#ff0000 100%); /* Opera11.10+ */
    background: -ms-linear-gradient(top, #000100 0%,#ff0000 100%); /* IE10+ */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#000100', endColorstr='#FF0000',GradientType=0 ); /* IE6-9 */
    background: linear-gradient(top, #000100 0%,#ff0000 100%); /* W3C */
}

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

#page-background {position:fixed; top:0; left:0; width:100%; height:100%;}

div#content {position:relative; z-index:1; padding:10px; width: 300px; height: auto; margin-top: 200px; background-color: Gray;}

div.header {
    background-color: DeepSkyBlue;
    width: 100%;
    height: 100px;
    color: white;
    font-weight: bold;
    line-height: 100px;
    font-size: 20px;
    padding-left: 20px;
}

div.separator {
    background-color: Gray; width: 100%; height: 10px;
}

div.content-wrapper {
    text-align: center;
}

.control-login {
    width: 250px;
}