header {
    margin: 1em auto .5em;
    text-align: center;
}

.site-meta {
    display: block;
    text-align: center;
}

.site-meta a {
    display: inline-block;
    font-size: 2.5em;
}

@media screen and (min-width: 1180px){
    header {
        margin: 1em 0 0;
        padding: 0 2em;
        text-align: center;
        max-width: 1300px;
        margin-left: auto;
        margin-right: auto;
    }

    .site-meta {

    }
}