Integration code:
#CSS #iframe-el-id { height: 56.25vw; max-height: 422px; } #HTML <iframe id="iframe-el-id" src="null" allowfullscreen="true" webkitallowfullscreen="true" mozallowfullscreen="true" oallowfullscreen="true" msallowfullscreen="true" frameborder="0" allow="autoplay" allowautoplay="true" width="100%" height="100%" />