#FilePreviewContent {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 2;
    height: 3em;
    overflow: hidden;
    padding: .5em;
    color: #fff;
    line-height: 1.2;
    background-color: #0e5bb8;
    border-bottom: solid 1px #ddd;
    box-shadow: 1px 1px 10px #333;
}

#filePreviewWindow {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1;
    width: 100%;
    min-height: 100%;
    padding-top: 4em;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}