You can create ghost buttons with transparent background.
Steps::
- Create Button Style using Button WPI menu in WordPress admin left menu
- Click on “Add new” button to add new button style.
- Click on “Colors” tab in Styles Settings
- Click on ” Background Color” tab
- Remove color value from the “background color” field
- Click on “Border Color” tab
- Remove color value from the “Border color” field
- Click on “Back” button to go back to main Section in Styles Settings
- Click on “Border” tab
- Select “No” form the “Border width” field