.video-container {
position: relative;
padding-bottom: 56.25%; /* Para que el contenedor tenga relación de aspecto 16/9 */
/*padding-top: 30px;*/
height: 0;
overflow: hidden;
}
 
.video-container iframe,
.video-container object,
.video-container embed {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}