.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%;				
}