CUSTOM CSS
Go Beyond the Settings With Custom CSS
When visual controls are not enough, write CSS to fine-tune spacing, layout, and detail across your checkout customizations.
No custom code
Setup in minutes
7-day free trial
SETUP PREVIEW
Configure, preview, publish
Set this feature up in your Shopify admin, preview how it looks, and publish when you're ready.
FOR PIXEL-EXACT BRANDS
Some design systems need exact control.
Settings panels cover most needs, but teams with strict design specs eventually hit a limit. Custom CSS closes the gap between close enough and exactly right.
No ceiling on styling
Reach details the settings panel does not expose.
Responsive handling
Adjust layout at the breakpoints that matter.
Scoped to your blocks
Styling applies to your Checkout Plus content.
FLEXIBLE AND POWERFUL
Built for design-led teams
Write, preview, and publish CSS without redeploying anything.
Custom rules
Target your checkout content with your own selectors.
Responsive adjustments
Use media queries for mobile and desktop refinements.
Live preview
See styling changes before they go live.
Revert anytime
Remove custom CSS to fall back to standard styling.
Launch in minutes
1. Install
Install the app from the Shopify App Store. No code required.
2. Configure
Open your Shopify admin and set up this feature.
3. Set your rules
Choose the products, conditions, and messaging that fit your store.
4. Publish
Preview the result, then publish it live to your store.
WHY MERCHANTS CHOOSE PLUS APPS
Built to fit how you sell
Your questions, answered.
Do I need Shopify Plus?
It depends on the feature. Changes to the checkout page itself require Shopify Plus, while thank you page, order status, and discount features work on every Shopify plan.
Can I control when it applies?
Yes. Target by products, collections, cart contents, markets, and customer tags.
Will it match my brand?
Yes. Colors, fonts, and messaging are all configurable so everything looks like your store.
Is custom code required?
No. Everything is configured in your Shopify admin, with no theme edits or developer time.
How fast can I launch?
Install, configure, and publish in a single session. There is no development cycle to wait on.
EXPLORE MORE
See everything Plus Apps can do
Get the last five percent exactly right.
Add Checkout Plus and apply custom CSS to your checkout.
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