body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

header {
    background: #333;
    color: #fff;
    padding-top: 30px;
    min-height: 70px;
    border-bottom: #77aaff 3px solid;
}

    header a {
        color: #fff;
        text-decoration: none;
        text-transform: uppercase;
        font-size: 16px;
    }

#main {
    padding: 20px;
    background: #fff;
    margin-top: 20px;
}