form > div > div {
    margin-top: 10px;
}

form div:not(#register) > a {
    float: right;
}
form div#register {
    margin: 0;
}
form div#register a {
    display: inline-block;
    width: 100%;
    text-align: right;
}

form #register_role .radio {
    float: left;
}

form #register_role .radio+.radio {
    margin-top: 10px;
    margin-left: 20px;
}