Fix the TOC background not being extended to the bottom.

Author: bmunkholm

…ate/theme/rtd/crate/static/css/index.css …te/theme/rtd/crate/static/css/index.scsssrc/crate/theme/rtd/crate/static/css/index.css renamed to src/crate/theme/rtd/crate/static/css/index.scss src/crate/theme/rtd/crate/static/css/index.css renamed to src/crate/theme/rtd/crate/static/css/index.scss

@@ -12,5 +12,5 @@
  *
  **/
 import "./crate/theme/rtd/crate/static/vendor/furo/index";
-import "./crate/theme/rtd/crate/static/css/index.css";
+import "./crate/theme/rtd/crate/static/css/index.scss";
 import "./crate/theme/rtd/crate/static/js/index";