How can I keep the description tab open on my mobile product page?

Topic summary

A user needed help keeping the product description tab open by default on mobile devices only for their Shopify store.

Solution Provided:

  • Add custom CSS code to the theme.liquid file, placed above the </head> tag
  • Access via: Online Stores > Themes > Actions > Edit code > theme.liquid
  • The code specifically targets mobile view to keep the description tab expanded

Outcome:
The solution was successfully implemented and resolved the issue. The user confirmed it worked as intended.

Summarized with AI on November 16. AI used: claude-sonnet-4-5-20250929.

Hi,

I wanted to keep my description tan open on the product page only Mobile

my site is https://luxurymrkt.com/collections/bags/products/dolce-gabbana-dg-logo-mini-bag-2

Hi @Luxurymrkt

This is Noah from PageFly - Shopify Page Builder App

Please add this code to your theme.liquid above the to get this solved

Step 1: Online Stores > Themes > More Actions > Edit code

Step 2: click on theme.liquid and paste the code above the


Hope this can help you solve the issue

Best regards,

Noah | PageFly

Amazing thank you

glad that i can help, let me know if you need further assistance