body, html {
    height: 100%;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

body {
    background-image: radial-gradient(circle at -30% -30%, #5F236B, #BE375F, #ED8554, #F5EB6D);/* #f8acff, #4b91db,#84ffc9); /* #4b91db, #f7a7fa */
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
}

.centered {
    text-align: center;
}