Make metadata dropdown design consistent

less/core.less

@@ -695,6 +695,7 @@ table.downloads {
 
 select.inputform, textarea.inputform {
 	border: 1px solid #999;
+	background: white;
 }
 
 input, button, select.inputform, textarea.inputform, a.btn {

templates/edit-meta.tmpl

@@ -65,7 +65,7 @@
 					{{end}}
 					<dt><label for="lang">Language</label></dt>
 					<dd>
-						<select name="lang" id="lang" dir="auto">
+						<select name="lang" id="lang" dir="auto" class="inputform">
 							<option value=""></option>
 							<option value="ab"{{if eq "ab" .Post.Language.String}} selected="selected"{{end}}>аҧсуа бызшәа, аҧсшәа</option>
 							<option value="aa"{{if eq "aa" .Post.Language.String}} selected="selected"{{end}}>Afaraf</option>