* erase commented out styles from mobile.css and tablet.css and re-order where necessary
Aesthetic improvements, mobile:
-* on activation, the Subnavigation div, Resume, Previous, Next on mobile should highlight as a block
+* on activation (done), the Subnavigation div (done), Resume, Previous, Next on mobile should highlight as a block
*Instructor user:
/docs/mods/_standard/statistics/course_stats.php - remove inline styles, fix markup