YouTube Grid Fix & Shorts Block автор goldenlemonade2

ytd-rich-grid-renderer {
--ytd-rich-grid-items-per-row: 6 !important;
--ytd-rich-grid-gutter-margin: 0px !important;
}

ytd-rich-item-renderer {
items-per-row: 6 !important;
}

ytd-rich-shelf-renderer[is-shorts] {
display: none !important;
}