body {
    background-color: #aaa !important;
}

.container {
    background: #333;
    border: 2px solid #2a2a2a;
    box-shadow: 0 0 10px #000;
}

.hide {
    display: none;
    visibility: hidden;
}

.header {
    color: #f5f5f5;
    background: #333;
    text-align: center;
    padding: 2em;
}

.header h1 {
    font-weight: bold;
    text-shadow: 0 0 10px #000;
}

.banner {
    box-shadow: 0 0 10px #000;
    width: 600px;
}

.content {
    background: #fff;
    border: 3px solid #ccc;
    padding: 2em;
    margin: 0;
}

.footer {
    color: #f5f5f5;
    background: #333;
    padding: 2em;
    margin: 0;
    text-align: center;
}