Redesigning quantity selector button in radiant theme.

Shopify Discussion
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Topic summary

A user sought help styling the quantity selector button on their Shopify store using the Radiant theme to match the appearance of their add-to-cart button—specifically matching rounded borders and border thickness.

Solution Provided:

  • Add custom CSS code to the theme’s stylesheet (base.css, style.css, or theme.css)
  • The CSS targets the .quantity:after pseudo-element with properties for border-radius, border styling, and opacity
  • This creates visual consistency between the quantity selector and add-to-cart button

Outcome:
The solution was successfully implemented and resolved the styling issue. The original poster confirmed the fix worked as intended and expressed appreciation for the community assistance.

Summarized with AI on October 30. AI used: claude-sonnet-4-5-20250929.
1

Do I make the quantity selector button as add to cart is, like with same rounded borders and border thickness to match the looks ?

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I would love to share a part of my first monthly revenue, when I’ll start running this store, it’s my final decision.

2

Hi @abdullah_9

Try this one,.

  1. From your Shopify admin dashboard, click on “Online Store” and then “Themes”.
  2. Find the theme that you want to edit and click on “Actions” and then “Edit code”.
  3. In the “Assets” folder, click on “base.css, style.css or theme.css” file, depending on which file your theme uses to store its CSS styles. At the bottom of the file, add the following CSS code:
.quantity:after {
    content: "";
    position: absolute;
    border-radius: var(--buttons-radius);
    border: .01rem solid transparent;
    opacity: .6;
}

Please don’t forget to Like and Mark Solution to the post that helped you. Thanks!

1 Like
3

Dear, Made4uo-Ribe

I wanted to express my sincere gratitude for your helpful response in the Shopify discussion forum. it was exactly what I needed, and it saved me a lot of time and frustration.

I truly appreciate you taking the time to share your expertise. It’s incredibly valuable to have people like you contributing to the community.

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Thanks again for your assistance!

Sincerely,

Abdullah