.firebase-auth-container {
    padding-top: 3%;
}

html {
    background-image: linear-gradient( rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(../../images/swimming4.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    width: 100%;
    height: 100%;
}