13 - Edit the CSS style (custom.css)
You can edit the CSS style of calculators that are shown in the front-end, and even the general style, by clicking on "Settings", editing the "Custom CSS" field:
or accessing by FTP to the file:
- Wordpress: /wp-content/uploads/woo-price-calculator/style/custom.css
- Joomla: /media/com_hikapricecalculator/style/custom.css
Here you can override or add CSS classes.