Courier’s standardized CSS classes allow you to customize element styles in your Brand email templates.
Adding CSS to your Brand Email Notification Templates
Courier email template CSS is set using inline styles. You can customize the<style> element in the <head> section of your Brands using custom templates as well as brands built using the Designer UI.
OVERWRITINGTo overwrite existing styles, you have to use
!important.Brand Designer View

Brand Designer View
Custom Template View

Custom Template View
MJML Rendering
Your email template CSS is rendered using MJML. This creates child components out of each component. Content is usually nested within a child element of one of the below CSS classes. To select all child elements recursively, use the universal selector(*), for example:TESTING YOUR CHANGESWe recommend that you carefully test the resulting changes to your CSS classes.
Content Block CSS Classes
-
Action block:
.c--block-action -
Divider block:
.c--block-divider -
Image block:
.c--block-image -
List block:
.c--block-list -
Markdown block:
.c--block-markdown -
Quote block:
.c--block-quote -
Template block:
.c--block-template -
Text block
.c--block-text
Text CSS Classes
-
.c--text-text -
.c--text-subtext -
.c--text-h1 -
.c--text-h2 -
.c--text-quote
Other CSS Classes
-
.c--email-footer -
.c--email-header -
.c--email-header img(logo) -
.c--social -
.c--email-body