The <video> element
    Creates a video player embedded in the web page and loads a video to play in it.
Full list of attributes
All the usual HTML global attributes are available
- autoplay
- If present, indicates that the browser should automatically start the video playback as soon as it has buffered enough of the file to make smooth playback likely.
- controls
- Enables the browsers standard set of controls to allow the user to control playback.
- crossorigin
- A CORS settings attribute for video files from third party sites.
- height
- The height, in CSS pixels, to make the video playback region.
- loop
- If present, the video playback will automatically loop back to the start when it reaches the end of the video file.
- mediagroup
- Used for synchronizing playback of multiple audio and video streams.  The browser will link all <audio>and<video>elements that have the samemediagroupname.
- muted
- If present, the audio output will be muted to begin with, but the video will still be shown.
- poster
- The URI of an image file to be displayed to the user before the video itself has been downloaded.
- preload
- Hint to the browser about how aggressively it should start downloading the video file before it's actually needed.
- src
- The URI of the video file to load.
- width
- The width, in CSS pixels, to make the video playback region.