MJML snippet
Best for assembling a full email from reusable sections.
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Header Blue Brand
Simple blue brand header for campaign sends that only need a logo lock-up at the top.
- Source
- header-blue-e3.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 when the email needs immediate sender recognition without adding a browser-view utility row.
- Keep the logo width conservative so the header remains compact on narrow mobile clients.
Keep in mind
- Provide meaningful alt text for the brand mark because it carries the sender identity.
- Do not rely on colour alone to distinguish the header from the first content block.
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): Primary spacing, stack order, and CTA rendering stay stable in Gmail web and mobile views.
- Outlook Desktop (Windows): Single-logo header rows are reliable, though Outlook can shift vertical alignment by a few pixels.
| Client | Status | Notes |
|---|---|---|
| Gmail (Web + Mobile) | Tested | Primary spacing, stack order, and CTA rendering stay stable in Gmail web and mobile views. |
| Outlook Desktop (Windows) | Partial | Single-logo header rows are reliable, though Outlook can shift vertical alignment by a few pixels. |
| Apple Mail (macOS + iOS) | Tested | No additional notes. |
| Yahoo Mail | Tested | No additional notes. |
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.