youtube.com##ytd-rich-grid-renderer:style(--ytd-rich-grid-items-per-row: 5 !important;)
youtube.com##ytd-rich-grid-renderer:style(--ytd-rich-grid-posts-per-row: 5 !important;)
youtube.com##ytd-two-column-browse-results-renderer.grid-6-columns:style(width: 100% !important;)
youtube.com##ytd-two-column-browse-results-renderer.grid:not(.grid-disabled):style(max-width: 100% !important;)
youtube.com##ytd-rich-grid-renderer, html:style(--ytd-rich-grid-slim-items-per-row: 7 !important;)
youtube.com##ytd-rich-grid-renderer, html:style(--ytd-rich-grid-game-cards-per-row: 7 !important;)
youtube.com##+js(set-attr, ytd-rich-shelf-renderer, is-show-more-hidden)
youtube.com##+js(ra, hidden, ytd-rich-item-renderer, stay)
(здесь 5 - количество видео в ряд)