.video-container {
    overflow: hidden;
    position: relative;
    width:100%;
}

.video-container::after {
    padding-top: 56.25%;
    display: block;
    content: '';
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#message {
    border: 1px solid #999;
    padding: 20px;
}


#register_message {
    border: 1px solid #999;
    padding: 20px;
}

#register_picture::before {
    content: "Fotografia";
    position: absolute;
    z-index: 2;
    display: block;
    background-color: #eee;
    width: 80px;
}