AMP for Email Supported CSS

This document outlines the CSS features currently supported inside AMP emails.

Supported CSS selectors

Simple selectors

Attribute selector [attr=value] are not currently supported by all email providers.



Supported CSS properties

Additional restrictions

The following CSS properties have additional restrictions:

cursorThe only allowed values are pointer and initial.
filterurl() is not allowed.
transitionA limited subset of properties can be animated.
visibilityThe only allowed values are hidden, visible and initial.
z-indexOnly values between -100 and 100 are allowed.

Media features

List of media features supported for conditionally applying rules via @media queries.