How to Adjust Mobile Font Size and Padding in Letterhead

This article explains how to customize mobile-specific font size and padding in Letterhead so your newsletters are easier to read and better spaced on phones and tablets.

Step 1: Open Your Newsletter

Log in to your Letterhead account
Open the newsletter you want to edit
Click on the block you want to adjust (text, layout, or content block)

Step 2: Open Mobile Style Settings

In the right-hand settings panel, scroll to the Styles section
Expand Text to view Mobile Font Size
Expand Block to view Mobile Padding

Step 3: Adjust Mobile Font Size

Locate the Mobile Font Size setting in the Text tab
Increase or decrease the value to improve readability on mobile
Changes apply only to mobile devices

Use this setting if:

Text appears too small on phones
Headings feel oversized on mobile screens

Step 4: Adjust Mobile Padding

Find the Mobile Padding controls in the Block tab
Set padding values for:
- Top
- Bottom
- Left
- Right
Review spacing as you make changes

Padding helps prevent text from feeling cramped and improves overall layout on smaller screens.

Step 5: Preview Your Changes on Mobile

Switch to Mobile Preview in the editor
Review spacing, alignment, and readability
Make adjustments as needed before sending

Need Help?

If you have questions or need assistance, please contact our support team at support@tryletterhead.com or log a support ticket through the Help Center!