Add styling for footnotes
diff --git a/static/css/style.less b/static/css/style.less
index d670250..e4d90aa 100644
--- a/static/css/style.less
+++ b/static/css/style.less
@@ -125,6 +125,21 @@
         color: @med-grey;
         font-style: italic;
       }
+
+      .footnote-reference {
+        vertical-align: super;
+        font-size: 12px;
+        text-decoration: none;
+        line-height: 1;
+      }
+
+      .footnote {
+        font-size: smaller;
+        .fn-backref{
+          margin-right: 5px;
+          text-decoration: none;
+        }
+      }
     }
 
     div.gist {
@@ -211,4 +226,4 @@
       border-top: 0;
     }
   }
-}
\ No newline at end of file
+}