weseek__growi/resource/css/_wiki_crowi-plus.scss

.crowi-plus .revision-toc {

  // reset official styles
  float: none;
  border: none;
  border-radius: 0;
  max-width: none;
  overflow: auto;

  .revision-toc-content {
    margin-top: 50px;
    background: none;
  }

  // affix
  &.affix {
    top: 30px;
  }
}