Resources for templates, code, and best practices

Adapt-a-template guides

These guides are meant to show you the process of adapting a basic template from another service into a Customer.io Layout.

Layout creation and templates

Pre-built templates

Mailchimp’s Blueprints
Litmus community
Foundation for Emails
Inkbrush, an email layout builder
A really simple responsive HTML email template

Frameworks to build your own

HTML Email Boilerplate
MJML.io, a markup language that lets you code your own responsive emails
emailframe.work, another coding framework for responsive emails
Cerberus, a collection of patterns

Code

Campaign Monitor’s Ultimate Guide to CSS support
MailChimp’s CSS support guide
Making your emails accessible
Emails and webfonts: the three main approaches you can take

Longer reads, but full of great advice

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