discourse/app/assets/stylesheets/common/base/sidebar-custom-section.scss

.sidebar-custom-sections {
  .sidebar-section-wrapper {
    padding-bottom: 0;
  }
  .sidebar-section-header {
    position: relative;
    .d-icon-globe {
      position: absolute;
      left: -0.75em;
      align-self: stretch;
      width: 0.6em;
      height: 100%;
    }
  }

  .sidebar-section-link-prefix.icon {
    cursor: move;
  }
  .sidebar-section[data-section-name="community"]
    .sidebar-section-link-prefix.icon {
    cursor: pointer;
  }

  a {
    -webkit-touch-callout: none !important;
    @include unselectable;
    cursor: pointer;
  }

  .sidebar-section-wrapper.disabled {
    a {
      pointer-events: none;
    }
  }
}
.discourse-touch {
  .sidebar-custom-sections {
    a:hover {
      background: none !important;
    }
  }
}