MJML snippet
Best for assembling a full email from reusable sections.
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Hero Overlay Modern
Image-backed launch hero with overlay copy, direct CTA, and production-safe fallback colour.
- Source
- hero-overlay-modern.mjml
- MJML and compiled HTML
- 4 client notes
- Snippet or standalone
How to use this block
Treat the component as one production section inside a larger message system. Keep the shared classes and wrapper rules intact, then adapt the copy, imagery, and links to the send.
Use this block when...
- Use for launch, announcement, and single-message campaigns where one clear CTA should dominate.
- Keep the headline tight so Outlook line wrapping stays controlled.
- Replace the placeholder image with an absolute HTTPS asset before handing off compiled HTML.
Keep in mind
- Use a descriptive heading hierarchy so the first headline still makes sense out of visual context.
- Make sure the hero image alt text adds meaning rather than repeating the headline.
Copy the format that fits the job
Copy the MJML snippet into the same body as your other blocks. Use standalone mode when testing this block on its own or exporting a full file for QA.
Standalone MJML
Best for local testing or isolated compilation.
Compiled HTML
Best for ESP handoff, QA review, or HTML-only integrations.
Compatibility and rendering notes
Use these notes before moving the block into a campaign, layout system, or client handoff.
Client-specific notes
- Gmail (Web + Mobile): Hero text, CTA, and spacing render as expected.
- Outlook Desktop (Windows): Background treatment can flatten in legacy Word rendering.
- Yahoo Mail: Pending full visual regression pass.
| Client | Status | Notes |
|---|---|---|
| Gmail (Web + Mobile) | Tested | Hero text, CTA, and spacing render as expected. |
| Outlook Desktop (Windows) | Partial | Background treatment can flatten in legacy Word rendering. |
| Apple Mail (macOS + iOS) | Tested | No additional notes. |
| Yahoo Mail | Unknown | Pending full visual regression pass. |
Source panels
The panels below preserve the copy behaviour for MJML and compiled HTML. Template Hedgehog Pro includes the full offline archive for teams that need the complete system locally.
Snippet assembly: place this block inside the same <mj-body> as your other snippets, then stack sections in send order.
Editable source
MJML snippet
Component block only. Use this when assembling an email from multiple reusable sections inside a project that already includes the shared MJML classes.
Formatting code preview...Compiled output
Compiled HTML snippet
Component-only compiled markup for block-level inspection and HTML assembly workflows.
Formatting code preview...Related production context
Use these references to see how the block fits into larger message systems.
Used in layouts
Pairs well with
Hero Overlay Banner
Full-width overlay hero for launches, announcements, and bold campaign intros.
Hero Centred
Centred hero section with label, headline, support copy, image, and primary CTA.
Hero Centred Left Copy
Image-led hero with centred framing and left-aligned body copy for richer launch or announcement sends.