1. OPTIS Product Options, Variant
2. Customize Design

Set up the text & option size

• To adjust the Text Size, please go to Settings > Design Settings > Text & Option Size

• To adjust the Option Size, scroll down to the Option Size section -> Set up size for each option type

Design Settings are available on the Advanced plan and above. Each section has a Reset button to go back to the default sizes. See Settings overview.

What you can change

• Text size: for Option Title, Option Value, Add-on Message, Help Text & Tooltip and Error Message, set the Font size and the Font weight (Normal or Bold).
• Option size:
• Text Input: Width, Height, Textarea width and Textarea height.
• Choice List: Button padding top/bottom and Button padding left/right; Dropdown width and Dropdown height; Thumbnail width and Thumbnail height; Checkbox/radio size and Checkbox/radio image; Switch width and Switch height.
• Swatch: Width and Height.

Updated on: 24/09/2026