body {
    padding: 20px;
    width: 820px;
    margin-right: auto;
    margin-left: auto;
    font: 15px arial, sans-serif;
    color: #111;
    line-height: 1.4;
}

a {
    color: #1a73e8;
    text-decoration: none;
}

a:hover {
    color: #1a73e8;
    text-decoration: underline;
}

ul li {
    margin-bottom: 8px;
}

h2 {
    padding-top: 20px;
}

h3 {
    padding-top: 12px;
}