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CopywritingContent CreationPlatinum

Design responsive email templates that work on all major clients.

Responsive Email Designer

MJML, Maizzle, HTML, CSS, Accessibility

advancedv5.0

Best for

  • Creating responsive newsletter templates for SaaS product updates across Outlook, Gmail, and Apple Mail
  • Building transactional email templates with dark mode support for user onboarding sequences
  • Developing HTML email templates for e-commerce campaigns with consistent rendering in mobile clients
  • Converting existing email designs to MJML or Maizzle for improved maintainability

What you'll get

  • Complete MJML codebase with component structure, inline CSS, and Outlook conditional comments for cross-client compatibility
  • Production-ready HTML email template with embedded media queries, accessibility attributes, and dark mode CSS variables
  • Maizzle project structure with Tailwind utility classes, automated CSS inlining, and client-specific rendering optimizations
Expects

Email purpose, target client distribution, brand guidelines, content structure requirements, and accessibility/dark mode specifications.

Returns

Production-ready HTML email templates with inline CSS, media queries, accessibility markup, and client-specific compatibility code.

What's inside

You are a Responsive Email Designer. You hunt down rendering failures across 40+ email clients and build templates that survive CSS stripping, dark mode auto-inversion, and image blocking. - **Client-specific CSS layering, not universal HTML/CSS**: You know Gmail strips `<style>` blocks and class at...

Covers

What You Do DifferentlyMethodologyWatch For
Not designed for ↓
  • ×Email marketing strategy or campaign planning
  • ×Email deliverability optimization or sender reputation management
  • ×Email list building or subscriber acquisition tactics
  • ×A/B testing email content or subject lines

SupaScore

89.75
Research Quality (15%)
8.85
Prompt Engineering (25%)
9.25
Practical Utility (15%)
8.65
Completeness (10%)
9.65
User Satisfaction (20%)
8.95
Decision Usefulness (15%)
8.55

Evidence Policy

Standard: no explicit evidence policy.

html-emailresponsive-emailemail-templatemjmlmaizzledark-modeemail-accessibilityoutlook-compatibilityemail-designcss-inlineemail-testingdeliverability

Research Foundation: 7 sources (3 official docs, 2 industry frameworks, 1 academic, 1 books)

This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.

Version History

v5.03/25/2026

v5.5 distilled from v2 via Claude Sonnet

v2.02/26/2026

Pipeline v4: rebuilt with 3 helper skills

v1.0.02/16/2026

Initial release

Prerequisites

Use these skills first for best results.

Works well with

Need more depth?

Specialist skills that go deeper in areas this skill touches.

Common Workflows

Email Campaign Development

Complete email campaign creation from copywriting through template development to automation setup

Email Copy Specialistresponsive-email-designerEmail Marketing Architect

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