javascript - Odd blue line when reloading page -


i'm making script automatically shows video on fullscreen, , it's working perfectly,but reason, when load page, gets odd blue line on side of screen, gone on clicking somewhere on page. know why happens?

maybe not visible, second 1 should more clear

made second screenshot partially offscreen can see clearly

it's focus "glow". it's called outline of element. element tab index have focus outline. can remove css easily.

video {     outline: none; }

that should enough.


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