Onboarding
Getting StartedInstall Flash Cart appEnable Flash CartActivate subscriptionCart setup
Quick cartAdded-to-cart popupFloating cart iconCart settings
Cart titleCart summary areaEmpty cart promotionSidebar styleApp block stylesCart styles
ColorsFontsCart densityCustom CSSCart blocks
OverviewCart itemsFree shipping barPayment iconsText barText list with iconsApp embedsCustom LiquidFor developers
API custom eventsConfiguration optionsSupport
FAQContact usCustom CSS
If you’re familiar with HTML and CSS, you can use the Custom CSS field to add your own styles to the cart.
Note | We do not support code customizations. Always test code changes on a duplicated, unpublished version of your theme. We recommend finding help from a professional developer.
STEPS
In your Shopify admin:
- Click Duplicate on your current theme.
- Click Customize on the duplicated, unpublished theme version.
In your theme editor (Customize):
- Click to open App embeds in the side panel.
- Click the Flash Cart tab to open the settings.
- Enter your CSS code into the Custom CSS field.
- Click Save.
- Click Preview to review your changes.
- After testing, you can go to your Theme library to Publish the duplicated theme with your changes.
Use the preview link to further test your changes on multiple browsers and devices.
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