more cleanup

Author: Felix Hennig

src/css/nav.css

@@ -1,5 +1,5 @@
 /* This file contains the CSS for the sidebar navigation.
- * The vertical navigation at the top is in the header.css 
+ * The vertical navigation at the top is in the header.css
  * At less than 770px, the navbar disappears and is opened with
  * a button in the toolbar.
  */

src/css/vars.css

@@ -123,13 +123,10 @@
   --navbar-height: calc(73 / var(--rem-base) * 1rem);
   --navbar-sub-height: calc(45 / var(--rem-base) * 1rem);
   --toolbar-height: calc(45 / var(--rem-base) * 1rem);
-  --drawer-height: var(--toolbar-height);
   --body-top: calc(var(--navbar-height) + var(--navbar-sub-height));
   --body-min-height: calc(100vh - var(--body-top));
   --nav-height: calc(var(--body-min-height) - var(--toolbar-height));
   --nav-height--desktop: var(--body-min-height);
-  --nav-panel-menu-height: calc(100% - var(--drawer-height));
-  --nav-panel-explore-height: calc(50% + var(--drawer-height));
   --nav-width: calc(270 / var(--rem-base) * 1rem);
   --toc-top: calc(var(--body-top) + var(--toolbar-height));
   --toc-height: calc(100vh - var(--toc-top) - 2.5rem);