HTML: make bibliography entries far easier to read by putting them in slightly colored boxes. (#279)

Author: kbeyls

theme/html/default.css

@@ -296,6 +296,11 @@ figure img + figcaption {
   color: #5B8FF9;
 }
 
+.csl-entry {
+  background-color:rgb(239, 239, 239);
+  padding: 0.5em 1em;
+  margin: 1em 0;
+}
 /*.index-entry-text::after {
   content: ", "
 }*/