[Docs] Limit `.fa { display: inline }` within #main-content

Otherwise the items in the side menu won't line up.
Sorry about this oversight in my recent commit.

diff --git a/docs/static/css/style.css b/docs/static/css/style.css
index d6beaf861fd669dd602ef60c403d7a63a328866c..3b13ff4a02a98feb8670c7520691bf1201f94613 100755 (executable)
--- a/docs/static/css/style.css
+++ b/docs/static/css/style.css
@@ -522,7 +522,7 @@ dd {
 }
 
 /* Prevent linebreak right after an icon */
-.fa {
+#main-content .fa {
   display: inline;
 }