#loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    z-index: 10000000;
}

#loading img {
    display: block;
    margin: 0 auto;
    position: relative;
    top: 50%;
    -webkit-transform: translateY(-50%);
       -moz-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
         -o-transform: translateY(-50%);
            transform: translateY(-50%);
}

span.required:after {
    content: " *";
    color: red;
}

p.required {
    text-align: right;
    color: red;
}