h1 {
    max-width: 600px;
    margin: auto;
}

div.maincontent > p:nth-child(4) {
    max-width: 655px;
    margin-bottom: 15px;
    margin: auto;
}

a.large {
    line-height: 17px;
    height: 34px;
    margin: 10px 20px;
    vertical-align: middle;
}

a.large.single {
    line-height: 34px;
}