html {
    scrollbar-width: none;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #000;
    
}


header {
    background: url(../img/PORTADA\ .png);
    background-size: cover;
    background-position-y: 600px;
    /* background-repeat: no-repeat; */
    background-attachment: fixed;
    margin-bottom: 450px;
    width: 100%;
    height: 500px;
    display: flex;

    align-items: end;
}