.hide-on-server-side {
    display: none !important;
    height: 0px !important;
    width: 0px !important;
}

.fix-10 {
    width: 100%;
    clear: both;
    height: 10px;
}

.fix-20 {
    width: 100%;
    clear: both;
    height: 20px;
}

.has-error {
    border: 1px solid #a94442;
}

.text-center {
    text-align: center;
}