body {
    background-image: url(/fondo.gif);
    background-repeat: no-repeat;
    background-size: cover;
    min-height: 100vh;
    width: 100%;
    margin: 0;
    z-index: -1;
}
.main {
    min-height: 100vh;
    background-color: rgba(0, 0, 0, 0.78);
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}
.contenido {
    text-align: center;
}
.rrss {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 15px;

}
h1 {
    color: #fff;
}