body {
    background-color: lightblue;
    color: darkblue;
    font-family: Arial, sans-serif;
    margin: 30px;
}

.header {
    border-bottom: 2px solid darkblue;
}

.content {
    max-width: 600px;
}

.link {
    display: block;
    margin: 15px 0;
    color: blue;
}

.link:visited {
    color: purple;
}

.link:hover {
    color: darkred;
}