New YT subscriptions page is shit, gotta fix it.

fix_yt_subscriptions.user.css

/* ==UserStyle==
@name           Fix YT shit UX (again)
@namespace      github.com/openstyles/stylus
@version        1.1.0
@description    A new userstyle
@author         Me
@var number ipr "Items per row" 6
@var number avatarSize "Avatar size" [30, "px"]
@var select hideButtons "Hide video buttons" {
  yes: "none",
  no: "initial"
}
==/UserStyle== */

@-moz-document url-prefix("https://www.youtube.com/feed/subscriptions") {
  
  #contents.ytd-rich-grid-renderer {
    display: grid;
    grid-template-columns: repeat(var(--ipr), minmax(0, 1fr));
    gap: 1rem;
    max-width: 1400px;
  }
  
  #contents.ytd-rich-grid-renderer>ytd-rich-section-renderer {
    grid-column-start: span var(--ipr);
  }
  
  #contents.ytd-rich-grid-renderer> ytd-rich-grid-row,
  #contents.ytd-rich-grid-renderer> ytd-rich-grid-row>#contents {
    display: contents;
    
  }
  
  #meta.ytd-rich-grid-media {
    padding-right: 0;
    display: flex;
    flex-direction: column;
  }
  
  #meta.ytd-rich-grid-media #buttons {
    display: var(--hideButtons);
  }
  
  #avatar-link.ytd-rich-grid-media {
    margin-top: 4px;
    margin-right: 4px;
    height: var(--avatarSize);
    --yt-img-max-width: var(--avatarSize);
    --yt-img-max-height: var(--avatarSize);
  }
  #avatar-link.ytd-rich-grid-media>yt-img-shadow {
    width: var(--avatarSize);
    height: var(--avatarSize);
  }
  h3.ytd-rich-grid-media {
    margin-top: 4px;
    flex-grow: 1;
  }
  
  ytd-rich-item-renderer {
    margin-left: 0;
    margin-right: 0;
    width: auto;
    flex-grow: 1;
    margin-bottom: 10px;
  }
  
  #details yt-formatted-string#video-title {
    font-size: 1.4rem;
    line-height: 1.7rem;
  }
  ytd-video-meta-block[rich-meta] #byline-container.ytd-video-meta-block,
  ytd-video-meta-block[rich-meta] #metadata-line.ytd-video-meta-block,
  #metadata.ytd-video-meta-block>div {
    font-size: 1.2rem;
    line-height: 1.6rem;
    flex-wrap: nowrap !important;
    white-space: nowrap !important;
  }
  
  ytd-thumbnail[size=large] a.ytd-thumbnail, ytd-thumbnail[size=large]:before {
    border-radius: 2px;
  }
  
}