How to change size of thumbnail carousel?

Topic summary

A user seeks to reduce the size of their product page thumbnail carousel. A solution is provided involving custom CSS code:

Implementation steps:

  • Navigate to Shopify Admin → Online Store → Theme → Edit code
  • Locate the CSS file (base.css, theme.css, styles.css, custom.css, or theme.scss.liquid)
  • Add CSS code at the bottom targeting .product_thumbnail-slider and .slider-button elements
  • The code adjusts padding and scale properties to reduce thumbnail size

Outcome:
The original poster confirms the solution works perfectly. The thread then receives a follow-up question about displaying more thumbnail images simultaneously on mobile devices, which remains unanswered.

Summarized with AI on November 6. AI used: claude-sonnet-4-5-20250929.

How to change size of thumbnail carousel?

From this:

To this:

Hi @Ryan1998 ,

Step 1: Go to Shopify Admin → Online Store ->Theme → Edit code

Step 2: Search file base.css, theme.css, styles.css, custom.css or theme.scss.liquid

Step 3: Insert the below code at the bottom of the file → Save

@media only screen and (min-width: 750px) {
    .product--thumbnail_slider .thumbnail-slider {
        padding: 0 100px;
        transform: translateX(12%);
    }
}

button.slider-button svg {
    scale: 2.5;
}

Here is result:

Hope this can help you,

If our suggestions are useful, please let us know by giving it a like or marking it as a solution. Thank you :heart_eyes:

1 Like

Works perfect :+1:

1 Like

@Ryan1998 , I’m happy to always be able to help you :heart_eyes:

1 Like

Hi is there a way to get more images to show up at a time in the thumbnail on mobile version