.fw-section-space-md .fw-main-row-custom .fw-container,
.fw-section-space-md .fw-main-row .fw-container,
.fw-section-space-md .fw-main-row-custom .fw-container-fluid,
.fw-section-space-md .fw-main-row .fw-container-fluid {
padding-top: 0px;	
}
<!-- YOUTUBE RESPONSIVE CONTAINER\ -->
.youtube_video {
overflow: hidden;
position: relative;
max-width:100%;
}
.youtube_video::after {
padding-top: 56.25%;
display: block;
content: '';
}
.youtube_video iframe {
position: absolute;
left: 0;
width: 100%;
height: 100%;
padding-bottom: 15px;
}
<!-- /YOUTUBE RESPONSIVE CONTAINER CSS -->