SquareTube by NDev

/* ==UserStyle==
@name           SquareTube
@namespace      github.com/openstyles/stylus
@version        1.0.0
@description    Making youtube not round.
@author         DripColin
==/UserStyle== */
@-moz-document domain("youtube.com") {
    ytd-watch-flexy[rounded-player-large][default-layout] #ytd-player.ytd-watch-flexy,
    ytd-watch-grid[rounded-player-large][default-layout] #ytd-player.ytd-watch-grid {
        overflow: visible !important;    
    }
    ytd-thumbnail[size="medium"] a.ytd-thumbnail,
    ytd-thumbnail[size="large"] a.ytd-thumbnail,
    ytd-watch-grid[swatcheroo-split-scroll][default-two-column-layout] #secondary-inner.ytd-watch-grid,
    ytd-playlist-thumbnail[size=large] a.ytd-playlist-thumbnail, ytd-playlist-thumbnail[size=large]:before,#img,img,.ytd-feed-filter-chip-bar-renderer,#avatar > #img,.yt-img-shadow,.style-scope,yt-touch-feedback-shape,:root,button,.yt-spec-touch-feedback-shape__fill,a,input {
        border-radius: 0px !important;
    }
    
    .yt-spec-button-shape-next--mono.yt-spec-button-shape-next--filled {
        color: #fff !important;
        background-color: #f00 !important;
    }
}