message: fix height of expanded sidebar
diff: }
  }
  -$active-mode-header: 35px;
  -
  .header {
  - height: $active-mode-header;
  text-align: right;
  }
  @@ -45,7 +42,7 @@ $active-mode-header: 35px;
  .content {
  position: sticky;
  - height: calc(100vh - #{$header-height} - #{$active-mode-header});
  + height: calc(100vh - #{$header-height});
  overflow-y: scroll;
  padding: 0 15px;
  padding-top: 15px;
  