.row-fluid .span12, .row-fluid .span6 {
    margin-bottom: 12px;
}

.signature {
    margin-top: 18px;
}

.row-fluid.captcha {
    margin-bottom: 26px;
}

.alert {
    padding-left: 10px;
}

.alert ul {
    margin-top: 10px;
}