Greasy Fork镜像

* quick fix for margins inconsistency between video thumbnails

* workaround for user script managers without menu support (fixes Userscripts in Safari)

• fully user-configurable;
• fix style not being applied to the page.

Shorts stylesheet couldn't be installed in some cases

Fixed humongous shorts. May or may not break something else (needs testing).

* Add 3 columns instead of two, limit the columns to 6.