body {
    font-family: Arial;
    background: #f4f4f4;
    padding: 20px;
}

a {
    display: block;
    margin: 10px 0;
    padding: 10px;
    background: #3498db;
    color: white;
    text-decoration: none;
    width: 200px;
}

a:hover {
    background: #2980b9;
}