body {
    background-color: #000;
}

.logo {
    position: absolute;
    top: 37px;
    left: 10%;
    width: 118px;
    height: 50px;
    background-repeat: no-repeat !important;
    background: url("/bitmap/logo.png?1234456");
}

.back {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    background-size: cover !important;
    background-position: center;
    background-repeat: no-repeat !important;
    margin: 0 auto 0 auto;
    background: url("/bitmap/dna_code.png?1234456");
    opacity: 0.25;
}

.center {
    width: 500px;
    margin: 300px auto 0 auto;
    font-family: Arial, Helvetica, sans-serif;
    opacity: 0.98;
}

.title {
    font-weight: 600;
    font-size: 3.5em;
    color: #fff;
}

.subtitle {
    font-weight: 400;
    font-size: 3.2em;
    color: #aaa;
}