4. Width and Height

The width and height attributes specify the size of the player’s width="" and height="" in pixels.

Single-Source

80% Complete (success)

<video src="#" poster="#" width="..." height="..." preload controls ></video>

Multiple-Source

80% Complete (success)

<video poster="#" width="..." height="..." preload controls>
<source src="#" type="">
<source src="#" type="">
</video>