body {
    padding-top: 40px;
    padding-bottom: 40px;
    background-color: #eee;
}
#auth {
    max-width: 450px;
    padding: 15px;
    margin: 0 auto;
    background: #fff;
    border-radius: 4px;
    -webkit-box-shadow: 10px 10px 75px 5px rgba(143,143,143,1);
    -moz-box-shadow: 10px 10px 75px 5px rgba(143,143,143,1);
    box-shadow: 10px 10px 75px 5px rgba(143,143,143,1);
}
#auth h3 {
    margin-bottom: 25px;
    text-align: center;
}