Frequently asked questions about themes

How do I change the colour of the submit button?

Which colour field controls the submit button depends on your selected base theme. In many themes, the button responds to the Primary colour, while in other themes it is controlled by the Secondary colour or an accent colour.

How to quickly identify the right colour field:

1. In the preview pane at the top right, click Select form and choose your form.
2. Under Colours, test changing the value for Primary colour or Secondary colour.
3. Watch the live preview to see which colour field updates the button in your specific theme.

How do I change the button text?

The "Submit" button text is not changed in the Themes area, but directly within the respective form under Settings -> Button label.

Can I change the button width or centre the button?

The position and width of buttons are defined by the underlying base theme and cannot be manually moved or centred in the Design editor.

Can I adjust the button font size separately?

No, there is no separate font setting exclusively for buttons. Button labels automatically scale with the general Font size and Font size (mobile) settings configured under Fonts.

How do I make field labels bold or adjust the line spacing?

Font weight (such as bold or regular) and line height within text are defined by your selected base theme and cannot be changed in the Design editor.

1. Adjusting font family and size: Under Fonts, you can set the general font family (e.g. Roboto, Arial, sans-serif) as well as the font size for desktop and mobile devices (in px or %).
2. Adjusting spacing between form elements: If you want to increase or decrease the vertical distance between individual form fields rather than the text line height, use the Field spacing setting under Additional properties (e.g. 1.25em or 1.5em).

Can I mark required fields with a red asterisk or change the asterisk colour?

Yes. Required fields are marked with an asterisk (*) by default. You can change the colour of this asterisk in the Theme Editor using the Error colour field. Check the change directly in the preview using your form, as the Error colour also affects other elements—such as validation error messages and invalid field borders—depending on your selected base theme.

How do I place two input fields side by side?

Field arrangement (such as placing First Name and Last Name on the same row) is a form layout setting. You configure this in the Form editor using Field width, not in the Design editor.

Why does my form look different on a smartphone?

Our themes are responsive. On narrow screens, multi-column fields automatically stack vertically to ensure optimal usability. You can adjust the font size specifically for mobile devices in your theme under Font size (mobile).

Can I add custom hover colours or my own CSS?

The Theme Editor uses fixed parameters so that no coding skills are required. However, integrating custom CSS files or defining separate hover effects is possible—read more in Customising themes and Custom display variants.

Why aren’t my theme changes showing up in my form?

Check that you confirmed the theme after editing by clicking Approve in the top right-hand corner. Then go to the Share tab of the form to ensure the newly published version is assigned to that form.