Do not allow wp attribute values to wrap

Bug # 14596

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Use explicit classes for attribute labels, values

* Do not use <label> outside of an HTML form context.

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Add small right padding to wp attributes

Signed-off-by: Alex Coles <alex@alexbcoles.com>