How to Make the Quantity Selector Full Width on Shopify

When running a Shopify store, user experience plays a huge role in converting browsers into buyers. One element that may seem small but is important for a smooth shopping experience is the quantity selector. Making the quantity selector full width on your Shopify store can improve the aesthetics and functionality of your product pages, giving customers a more intuitive way to adjust the quantity of their desired items. In this guide, we’ll walk you through how to make the quantity selector full width on Shopify.

 

 

“Great branding turns a Shopify store into an unforgettable shopping experience.”

Why Adjust the Quantity Selector?

Ever notice how the standard quantity selector on many Shopify themes looks a little… cramped? It’s true! The default design often feels small or out of place, especially if you’re aiming for a sleek, modern product page aesthetic.

If you’re serious about creating a visually appealing and user-friendly shopping experience, switching to a full-width quantity selector is a small but impactful change you need to consider.

The Benefits for Your Store:

  • Enhanced Visual Appeal: A full-width design instantly looks cleaner and more substantial. It brings an element of visual sophistication that matches other high-quality components on your page.

  • Improved User Experience (UX): Simply put, it’s easier for your customers! The larger surface area makes it effortless for them to tap or click and adjust the quantity, reducing friction in the buying process.

  • Consistent Page Layout: By stretching to full width, the selector aligns perfectly with elements like your “Add to Cart” button or product options. This consistency creates a more polished and professional Shopify site design.

Don’t let a tiny, awkward quantity box detract from your beautiful product images and descriptions. Upgrade to a full-width style for a design that looks intentional, modern, and built to convert!

Step-by-Step Guide: Making the Quantity Selector Full Width

Step 1: Access Your Theme’s Code

To make any modifications to your Shopify store’s design, you’ll need to access the theme’s code. Here’s how to do that:

  • Log in to your Shopify admin panel.
  • Navigate to the “Online Store” section from the left sidebar.
  • Click “Themes” under the Online Store menu.
  • Find your current active theme and click on the “Actions” button.
  • Select “Edit Code” from the drop-down menu. This will open up the theme’s code editor.

Step 2: Locate the Product Page Template

  • In the code editor, on the left-hand sidebar, look for “Sections” or “Templates”.
  • Locate the file responsible for displaying the product details—usually named something like product-template.liquid or product-form.liquid.
  • Click on the file to open it and look for the quantity selector element. This might be represented by an input field or a button within a form.

Step 3: Add Custom CSS for Full-Width Selector

Once you’ve found the quantity selector element in the code, you’ll need to apply some custom CSS to make it full width. Follow these steps:

  • Scroll down to the bottom of the file and add the following code:

css

CopyEdit

.quantity-selector {

    width: 100% !important;

    box-sizing: border-box;

}

This CSS rule targets the quantity selector and forces it to take up 100% of the available width. The !important part ensures that this style overrides any other conflicting styles.

  1. If the quantity selector is inside a specific container that is limiting its width, you may need to adjust the container as well. Look for the parent element surrounding the quantity selector and apply the same width rule to that:

css

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.product-form__quantity {

    width: 100% !important;

    display: block;

}

This will allow the quantity selector to span the entire width of its parent container.

Step 4: Save and Preview Your Changes

Once you’ve added the custom CSS code, save the changes. Then, head over to your store’s product page to see the new full-width quantity selector in action.

You may need to tweak the width of other elements surrounding the selector to maintain a consistent layout, but this basic code should work in most cases.

Step 5: Optional – Customize the Appearance Further

If you want to further refine the appearance of the quantity selector, consider adding more CSS properties, such as padding, margins, and borders, to make it look more integrated with the rest of the page design.

For example:

css

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.quantity-selector {

    width: 100% !important;

    padding: 10px;

    border: 2px solid #ccc;

    border-radius: 5px;

    font-size: 16px;

    background-color: #f9f9f9;

}

This code will give your quantity selector a more polished look, with comfortable padding, rounded corners, and a light background color.

Test Your Changes on Mobile

Making your quantity selector full width on desktop is one thing, but you also want to ensure it looks great on mobile devices. With mobile shoppers on the rise, it’s crucial that your store functions smoothly on any screen size.

  • Preview your store on mobile by resizing your browser or using the Shopify mobile preview feature.
  • Adjust CSS for smaller screens using media queries if necessary. For example:

css

CopyEdit

@media (max-width: 768px) {

    .quantity-selector {

        width: 100% !important;

    }

}

This ensures that the full-width selector also applies to mobile devices.

Troubleshooting: What to Do If It Doesn’t Work

If your changes don’t seem to take effect, there could be a few reasons for that:

  • Cache Issues: Sometimes your browser’s cache might be holding onto old styles. Try clearing your cache or using an incognito window to check.
  • Conflicting Styles: If your theme has conflicting CSS rules, you might need to inspect the page using browser developer tools and adjust the CSS selectors accordingly.
  • Incorrect File: Make sure you’re editing the correct template or section file that controls the product page.

Conclusion

Ready to finalize that sleek, modern product page? Making the quantity selector full-width isn’t just a minor tweak—it’s a significant visual upgrade that truly improves the look and feel of your entire Shopify store.

By following those straightforward CSS steps, you’ve implemented a selector that actively enhances the user experience (UX) and could even give your conversion rates a noticeable boost!

Don’t Forget the Golden Rule!

Before you call it done, remember this essential step: Always test your changes. Grab your phone, open different browsers, and check the product page layout. Ensuring a flawless, smooth shopping experience across all devices and browsers is the key to happy customers and successful sales.

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