Reverted back to original super fish styling

Signed-off-by: Joe Whitsitt <joe-whitsitt@uiowa.edu>
Added steps for Responsive Navigation

Signed-off-by: Joe Whitsitt <joe-whitsitt@uiowa.edu>
Updated styles for Responsive Navigation and Superfish including media queries

Signed-off-by: Joe Whitsitt <joe-whitsitt@uiowa.edu>