! Title: YouTube – Thumbnails & Hover Effects
! --------------------------------------------------

! Disable autoplay-on-hover previews
www.youtube.com###video-preview
www.youtube.com##ytd-thumbnail-overlay-loading-preview-renderer[is-preview-loading]
www.youtube.com###mouseover-overlay

! Uncomment if you want NO thumbnails at all
! www.youtube.com##ytd-thumbnail