Use the video background option to place a video behind other content within a block of your layout.
Once selected, you may choose to apply a video from your WordPress Media Library of uploaded files, or you may choose to use a video posted publicly on YouTube or Vimeo.
See below for details about using either option:
Video uploaded into WordPress
Video from YouTube or Vimeo
YouTube: autoplay, loop, and more
Vimeo: autoplay, loop, and more
Be aware that some devices may not autoplay your video if there is sound:
Video autoplay support
|Sound?||Chrome||Safari (including mobile)||Firefox||IE/Edge|
Video size & position
Video backgrounds are centered vertically & horizontally. They are sized with cover behavior so that they are scaled to fill the width & height of the browser.
Some cropping of the video may occur at certain browser aspect ratios.