305fabd819e18baefc5c95c5219dd55790a3d7d8 Examples: Update syntax highlighting styling so the scrollbar doesn't

cover the last line of code (particularly annoying on single lines of
code!)

Sync to source repo @305fabd819e18baefc5c95c5219dd55790a3d7d8

Author: dtbuild

datatables.json

@@ -11,5 +11,5 @@
     ],
     "src-repo": "http://github.com/DataTables/DataTablesSrc",
     "last-tag": "2.1.0",
-    "last-sync": "511de67aab2ceeb00959030497684fff30a2f292"
+    "last-sync": "305fabd819e18baefc5c95c5219dd55790a3d7d8"
 }