.main-splash {
    background-color: #fff;
    width: 100% !important;
    height: 100% !important;
    top:0 !important;
    left: 0 !important;
    position: fixed;
    display: none;
    z-index: 10050;
    opacity: 0.8;
    filter: alpha(opacity=80); /* For IE8 and earlier */
}

.main-splash > img {
    max-width: 100%;
    max-height: 100%;
    top:0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    overflow: auto;
    position: fixed;
}

.main-splash > show {
    display: block !important;
}