When it comes to email marketing, not all CSS rules are created equal. Some of the key CSS rules you should be familiar with include:
Inline CSS: This is the most reliable way to style emails as it ensures the styles are rendered correctly across various email clients. Media Queries: Useful for making your emails responsive, allowing them to look good on both desktop and mobile devices. Web Safe Fonts: Stick to fonts that are widely supported across different email clients to avoid rendering issues. External CSS: Generally not recommended as many email clients don’t support external stylesheets.