body,
html {
    margin: 0;
    padding: 0;
    height: 100%;
}

.contenedor {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

#video-fondo {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.oscureser {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgb(0, 0, 0, 0.5);

}


.contens {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

}

.contens img {
    max-width: 150px;
    width: 100%;
    height: auto;
    display: block;
}

.contens a {

    background-color: #ffb6b9;
    border: none;
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px;
}

footer {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    color: aliceblue;
}

@media (max-width: 480px) {
    footer {
        font-size: 50%;
    }
}