I need to add CSS file for Admin side in my custom module. How can I add this for Admin (back-end) only ?


1 Create a module for example Vendor/Module

2 Create a new file view/adminhtml/layout/default.xml in the module

<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="admin-1column" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
     <css src="Vendor_Module::css/test.css"/>

3) Add .css file in web folder as below path:


Run below commands and check.

php bin/magento cache:clean

php bin/magento setup:static-content:deploy

  • 1
    Hello, I am trying to add <css src="Magento_Catalog::catalog/category-selector.css"/> in my custom module, but it is showing 404 error in console. – Vinaya Maheshwari Jul 12 '17 at 12:34
  • in this example, Vendor_Module is the applied theme name only or we can take out new module also ? @Krishna ijjada – SagarPPanchal Nov 5 '18 at 6:17

Magento 2 uses less file so you can also use less type as follows below step.

Create new file at Vendor/Module/view/adminhtml/web/css/source/_module.less

after that run below command from root directory and check

rm -rf var/view_preprocessed/
rm -rf pub/static/adminhtml
php bin/magento setup:static-content:deploy
  • I need to add .less file to use less variables like @icon-help__content; I want this less file to be loaded after the other files are loaded what is the proper way to do this. – AbdulBasit Oct 24 '17 at 11:30

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