E-Commerce, Magento Magento 2 : Adding Custom CSS Files Adding CSS files that we created ourselves in Magento 2.Create a filenamecss.css file, for example andhiirawan.cssin app / design / frontend / [vendor] / [theme] / web / css / andhiirawan.css then add the file to the head block: app / design / frontend / [vendor] / [theme] / Magento_Theme / layout / default_head_blocks.xml read more at:Magento 2 : Adding Custom CSS Files 2 February 2023 airawan e-commercemagento 2