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<style> in Gmail Android

Partial <style> is partly supported in Gmail Android.

Not supported inside the <body>.

Works in 16 of 21 · partial in 5

Which clients
Works
Outlook 365, Outlook (New), Outlook iOS, Outlook Android, Outlook for Mac, Apple Mail, Apple Mail iOS, Yahoo Mail, Yahoo Mail Android, Yahoo Mail iOS, Samsung Mail, Thunderbird, HEY Mail, AOL Mail, Fastmail, Superhuman
Partial
Gmail, Gmail Android, Gmail iOS, Outlook Classic, Proton Mail

Your reader in Gmail Android may not see <style> the way you wrote it, even if it looks right where you tested it.

What to do instead in Gmail Android

Inline CSS for Gmail compatibility

instead
<div style="background-color: #6d28d9; padding: 32px;">
  <h1 style="color: #fff; font-size: 24px;
             font-family: Arial, sans-serif; margin: 0;">
    Hello
  </h1>
</div>
Show the original
before
<style>
  .header { background-color: #6d28d9; padding: 32px; }
  .title  { color: #fff; font-size: 24px; }
</style>
<div class="header">
  <h1 class="title">Hello</h1>
</div>

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What Gmail Android does with <style>

caniemail record, tested upstream 27 Jul 2023

  • Partial. Not supported inside the <body>.
  • Partial. Not supported with non Google accounts.

Your next question

Every feature in Gmail Android · <style> in every client

Questions

How many email clients support <style>?
It works in 16 of 21, partial in 5.
What do I use instead of <style> in Gmail Android?
Inline CSS for Gmail compatibility.
Does <style> work in Gmail iOS?
<style> is partly supported in Gmail iOS. Closest to Gmail Android: Gmail iOS, which agrees on 273 of the 300 features both are tested on.

To see what else in your email Gmail Android does not support, paste the whole email.

The checker needs a computer screen.

caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 27 Jul 2023 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping