hr {
    clear: both;
    margin: 32px;
    background: #ccc;
    height: 1px;
    border: 0;
}

.screen {
    float: right;
    width: 160px;
    height: 120px;
    background: #69c;
    position: relative;
}


.screen-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 16px;
    background: #000;
}

.screen-header-has-tray {
    position: absolute;
    top: 0;
    left: 16px;
    right: 0;
    height: 16px;
    background: #000;
}

.screen-tray {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 16px;
    background: #333;
}

.screen-tabs {
    position: absolute;
    top: 16px;
    left: 0;
    right: 0;
    height: 16px;
    background: #333;
}

.screen-tabs-has-tray {
    position: absolute;
    top: 16px;
    left: 16px;
    right: 0;
    height: 16px;
    background: #666;
}

.screen-sidebar {
    position: absolute;
    top: 16px;
    left: 0;
    bottom: 0;
    width: 48px;
    border-right: 2px solid #fff;
    background: #369;
}