Whitelist input types that are styled in the scope of .form-field.

Props mauteri.
Fixes #28647.

Built from https://develop.svn.wordpress.org/trunk@29292


git-svn-id: http://core.svn.wordpress.org/trunk@29074 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/edit.css

@@ -942,7 +942,13 @@ ul.categorychecklist li {
 	font-size: 12px;
 }
 
-.form-field input,
+.form-field input[type="text"],
+.form-field input[type="password"],
+.form-field input[type="email"],
+.form-field input[type="number"],
+.form-field input[type="search"],
+.form-field input[type="tel"],
+.form-field input[type="url"],
 .form-field textarea {
 	border-style: solid;
 	border-width: 1px;