Magento 2 CMS allows the store owners to customize the core features in order to improve the store functionality as well as the customer experience.
Also, the custom themes are available for Magento 2 that adds attractive layouts and features in the default store, making it suitable for an online shop in today’s competitive market.
However, the unique business requirements may demand the developer to make customization in even a custom theme or simply customize a page.
In such cases, the below code to add custom CSS and JS in Magento 2 store can be helpful:
Method to add custom CSS and JS in Magento 2:
Create extension.css file and extension.js at app/code/Vendor/Extension/view/frontend(for admin adminhtml)/web/css/filename.css
Create default.xml file at app/code/Vendor/Extension/view/frontend/layout/ and in layout file, write the below code:
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
Note: There is an option to include CSS in template files, but it is recommended to avoid this practice as per the official Magento 2 DevDocs.
Any doubts? Mention them in the Comments section below and I’d be happy to help.
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