Dead area at the bottom of notebook list when trying to condense spacing using CSS

[muzak]

When setting notebook list item heights below the default 30px, add this CSS to userchrome.css to prevent sidebar dead space.

.folder-and-tag-list {
  height: calc(100% + 10000px) !important;
  & > .items {
    height: calc(100% - 10000px) !important;
  }
}