body {
    margin: 40px auto;
    max-width: 650px;
    line-height: 1.6;
    font-size: 18px;
    color: #444;
    background-color: #fffdf8;
    padding: 0 10px
}
h1, h2, h3 {
    line-height: 1.2;
    text-align: center
}
p {
    text-align: center
}