seahub/frontend/src/pages/wiki/wiki.css

.wiki-side-panel .panel-top {
  background: #fff;
}

.wiki-side-nav {
  flex: auto;
  display: flex;
  flex-direction: column;
  overflow: hidden; /* for ff */
  border-right: 1px solid #eee;
}

.wiki-pages-heading {
  position: relative;
  font-size: 1rem;
  font-weight: normal;
  padding: 0.5rem 0 0.5rem 2rem;
  border-bottom: 1px solid #e8e8e8;
  line-height: 1.5;
  height: 40px;
  background-color: #f9f9f9;
  margin-bottom: 0;
}

.heading-icon {
  position: absolute;
  right: 1rem;
  top: 25%;
  color: #888;
  font-size: 0.8125rem;
}

.wiki-pages-container {
  flex: 1;
  overflow: hidden;
  padding-bottom: 10px;
}

.wiki-pages-container:hover {
  overflow: auto;
}

.wiki-pages-container .tree-view {
  margin-left: -10px;
  margin-top: 14px;
  padding-left:0;
}

img[src=""] {
  opacity: 0;
}

.wiki-side-panel {
  flex: 0 0 20%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

@media (max-width: 767px) {
  .wiki-side-panel {
    z-index: 1051;
  }
}

.wiki-main-panel {
  flex: 1 0 80%;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.wiki-main-panel .main-panel-north {
  background-color: #fff;
}

.cur-view-content .wiki-page-container {
  margin: 0 -1rem -1.25rem;
  padding: 30px 1rem 1.25rem;
  display: flex;
  flex: 1;
  padding-left: 30px;
  overflow-y: auto;
}

.cur-view-content .wiki-page-content {
  width: calc(100% - 200px);
  padding-right: 30px;
}

@media (max-width: 991.98px) {
  .cur-view-content .wiki-page-container {
    padding: 0 14px;
    padding-top: 30px;
  }
  .cur-view-content .wiki-page-content {
    width: 100%;
    padding-right: 0;
  }
}


/* reset article h1 */
.wiki-main-panel .article h1 {
  margin-top: 0;
}

.wiki-page-container .outline-h2,
.wiki-page-container .outline-h3 {
  height: 24px;
  font-size: 12px;
  color: #4d5156;
}

.wiki-page-container .outline-h2.active,
.wiki-page-container .outline-h3.active { 
  color: #eb8205;
}

.wiki-page-container .sf-slate-viewer-scroll-container {
  background-color: #fff !important;
  padding: 0px !important;
  overflow: inherit;
}

.wiki-page-container .sf-slate-viewer-article-container {
  margin: 0 !important;
  width: 100%;
}

.wiki-page-container .sf-slate-viewer-outline {
  top: 79px;
  width: 200px;
}

@media (max-width: 767px) {
  .wiki-page-container .article {
    padding: 0 !important;
  }
}