Add another style to shrink arrow in sidebar nav

Add a style to make the arrow in the sidebar navigation smaller. This is necessary because making only some categories clickable indexes causes the icon to revert to the default size.

Author: josh-wong

src/css/custom.css

@@ -41,11 +41,17 @@
 .menu {
   font-size: 11pt;
 }
+
 /* Make the arrow in the sidebar navigation smaller (default font size is 12pt). */
 .menu__link--sublist-caret:after {
   background: var(--ifm-menu-link-sublist-icon) 50% / 1.25rem 1.25rem;
 }
 
+/* Make the arrow in the sidebar navigation smaller (default font size is 12pt). Added this because making only some categories clickable indexes causes the icon to revert to the default size. */
+.clean-btn:before {
+  background: var(--ifm-menu-link-sublist-icon) 50% / 1.25rem 1.25rem;
+}
+
 .version-out-of-support, .version-out-of-support a {
   background-color: #9CA3AF;
   color: #1c1e21;