.validation-summary-errors ul {
    list-style: none;
    padding-left: 0;
}

div.background-layer {
    width: 100vw;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: -2;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}

div.opacity-layer {
    z-index: -1;
    width: 100vw;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
}

div.opacity-layer:before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}