body {
    background-color: #333333;
    background-image: url("../../../images/background-H540DRE.jpeg");
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    background-size: cover;
    
    vertical-align: middle;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

main {
    position: absolute;
    top: 40%;
    transform: translate(0, -50%);
    background-color: #f6f6f6;
    border-radius: 1rem;
    
    padding: 4rem 6rem;
}