body,html{height:100%}body{color:#666;text-align:center;background-color:#fff;margin:0;font-family:Open Sans,arial,sans-serif;font-size:24px}h1{color:#000;font-size:2em;line-height:1.5em}.main{width:100%;max-width:640px;height:100%;margin:0 auto;display:table}.wrapper{vertical-align:middle;height:100%;padding:1em;display:table-cell}