body{
    background-image: radial-gradient(circle, #ffffff, #ebebeb, #d7d7d7, #c3c3c3, #b0b0b0);
    background-attachment: fixed;
    text-align: center;
    align-items: center;
    justify-content: center;
}

.mensaje{

    color: black;
    font-size: 5vw;
    margin-top: 30vh;
    
}