Fixed default CSS so only text entry boxes are 300px wide, buttons are no longer affected.
Fixed default CSS so only text entry boxes are 300px wide, buttons are no longer affected.

git-svn-id: fdf99c15a7044ccc47fd64468c5536dcbc826213@625291 b8457f37-d9ea-0310-8a92-e5e31aec5664

mpwalsh8/wpgform,mpwalsh8/wpgform