Background-color for collapsible row and bar on the left

[TrendBlend]

Hello I want to make a special delivery information collapsible row for my product page. But I don’t know how I can make the background color for it when collapsed and when not collapsed one color and different than the standard white like this:

 I would also like the left bar when collapsed seen in this picture >

it currently looks like this:

i only want the Verzending collapsible row to be like that. My url is: https://trendblend.eu/products/controllable-led-curtain

[BSSCommerce-B2B]

Hi @TrendBlend,

You can try the following steps:

Step 1: Go to Theme -> Edit code

Step 2: Search for the file base.css.

 

Step 3: Add this code snippet to the end of the base.css file.

product-info details {
    background: #f7f8fa;
}

Step 4: Save your code

Result:

Before:

After:

Hope it helps!

If it helpful, please mark as a solution. Thanks and have a nice day sir! 

[devcoders]

HI @TrendBlend 

The collapsible row section is not visible on the product page.