How do I customize the quantity selector on debuting on my product page

Topic summary

A user wants to customize the quantity selector on their Shopify store (using the Debut theme) to change its appearance from the default design to a rounded button style shown in a reference image.

Initial Solution Provided:

  • A community helper provided CSS code to modify the quantity selector
  • The code changes the plus/minus icons and adjusts the container width
  • Instructions included: navigate to Online Store → Theme → Edit Code, then add the CSS to assets/theme.css

Current Status:

  • The user has implemented the initial code but needs further customization
  • Specifically requesting how to make the buttons rounded to match their reference image exactly
  • The discussion remains open with the styling partially complete but not yet matching the desired rounded appearance

Key Details:

  • Store URL: shwazzy.com (password-protected)
  • Theme: Debut/Debutify
  • Visual references provided showing current state vs. desired rounded button design
Summarized with AI on November 2. AI used: claude-sonnet-4-5-20250929.

Hi I don’t like the way the original quantity selector looks like on debutify and I wanted to know how I could customize it from this

to something like this

1 Like

Hello @itshector10

Thank you for submitting your query to the Shopify community. I’d be happy to assist you. Could you please provide the store URL and password (if it’s password-protected) so I can review and get back to you with an update?

Yes the website is shwazzy.com and the password is iasats. Thank you!

Hello @itshector10

Go to Online Store, then Theme, and select Edit Code.
Search for assets/theme.css Add the provided code at the end of the file.

.product-quantity {
    max-width: fit-content!important;
}
.product-quantity__button--minus span.material-icons::before {
  content: '-'; 
  font-size: 18px;
  color: #555;
  font-weight: bold;
  display: inline-block;
}
.product-quantity__button--minus span.material-icons {
  font-size: 0; 
}
.product-quantity__button--plus span.material-icons::before {
  content: '+';
  font-size: 18px;
  color: #555;
  font-weight: bold;
  display: inline-block;
}
.product-quantity__button--plus span.material-icons {
  font-size: 0;
}

How do i customize it so that its round and the shape looks exactly like in this picture?