body {
    background-image: url("../resources/mediagnostic-bg.jpg");
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}

.middle-box {
    background-color: white;
    margin-top: 10%;
    padding: 33px;
    border-radius: 15px;

    box-shadow: 0 19px 38px rgba(22, 22, 32, 0.3),
    0 15px 12px rgba(22, 22, 32, 0.22);
}

.overlay {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;

    background-color: rgba(0,0,0,.4);
}