I am using clue theme for Magento 2.3.There is an issue with my all transactional email.
Please check my order email layout.
If i switch the theme to luma and check order email then it looks fine.
I have called css/email.css in my custom module in using this less CSS. Magento_Sales/web/css/source/_email.less.But it not load into the admin.Please check attached screenshot.