How to make youtube load 5 columns of videos?

[sl1ng]

sl1ng last edited by

1. https://i.imgur.com/EmvKTFB.png
2. https://i.imgur.com/c6jB3B0.png

screen 1. Is normal zoom.
screen 2. Is zoom-out at 90%

Chrome and Firefox is like screen 2, opera gx is like screen 1. but without zoom-out so more content per page. Any way to do that?