If you want to copy the style settings from one gallery or specific gallery embed to another, you can use this guide to do so.
- Select your gallery and go to the Customize Gallery screen
- Click the Embed drop box (usually it will show something like "Embed 1")
- Click Copy & Paste Embed Style
- In the popup, you can select from which gallery & embed you'll copy the settings from at the top, then at the bottom you can select which gallery & embed you will paste the settings to
- Click Copy & Paste Style
Note: There is no undo for this action.