Revert "다른 프레임워크와 css 충돌을 피하기 위해 rhymix.less의 class/id 이름에 prefix 처리"

This reverts commit b1cb1f3f34.

modules/document/tpl/document_module_config.html

@@ -44,7 +44,7 @@
 				<label class="x_inline" for="declared_message_manager"><input type="checkbox" name="declared_message[]" id="declared_message_manager" value="manager" checked="checked"|cond="in_array('manager', $document_config->declared_message)" /> {$lang->cmd_declared_message_manager}</label>
 			</div>
 		</div>
-		<div class="rhymix_button_wrapper">
+		<div class="btnArea">
 			<button type="submit" class="x_btn x_btn-primary">{$lang->cmd_save}</button>
 		</div>
 	</form>