! Block YouTube Shorts in recommendations
www.youtube.com##ytd-rich-section-renderer:has(span:has-text(Shorts))
www.youtube.com##ytd-guide-entry-renderer:has-text(Shorts)
www.youtube.com##ytd-reel-shelf-renderer

! Block YouTube Gaming (mobile-style browser games) in recommendations
www.youtube.com##ytd-rich-section-renderer:has(span:has-text(Playables))
www.youtube.com##ytd-guide-entry-renderer:has-text(Playables)

! Hide "Ask for videos any way you like" prompt
www.youtube.com##ytd-talk-to-recs-flow-renderer:has-text(Ask for videos any way you like)

! Hide AI video summary
youtube.com##div#expandable-metadata

! Hide "Ask" Gemini button under videos
youtube.com##yt-button-view-model:has-text(Ask)

I also use the following to block the "Sign in with Google" prompts on sites like Reddit and Stack Exchange

! Block Google Sign-In popups
||accounts.google.com/gsi/*