body
{
    font-family: 'Roboto', sans-serif;
    color: #444;
    background-color: #e8e7e8;
    max-width: 800px;
    margin: 20 auto;
}

h2
{
    font-size: 30;
}

h3
{
    font-size: 22;
}

h4
{
    font-size: 17;
}