#fw-section-custom-html-92bdfe0a-9a41-4408-a768-b47bc27e6973 {

.video_wrapper {
position: relative;
padding-bottom: 56.25%; /* 16:9, for an aspect ratio of 1:1 change to this value to 100% */ 
}
iframe{
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
}