return-youtube-dislike/Extensions/chrome/content-style.css

#return-youtube-dislike-bar-container {
  background: var(--yt-spec-icon-disabled);
  border-radius: 2px;
}

#return-youtube-dislike-bar {
  background: var(--yt-spec-text-primary);
  border-radius: 2px;
  transition: all 0.15s ease-in-out;
}

.ryd-tooltip {
  position: relative;
  display: block;
  height: 2px;
  top: 9px;
}

.ryd-tooltip-bar-container {
  width: 100%;
  height: 2px;
  position: absolute;
  padding-top: 6px;
  padding-bottom: 28px;
  top: -6px;
}