Trying to increase the default height of the Collapsible Row within the Product information of the Product Page.
I have an image where the height of the collapsible row is slightly too small, causing most customers to miss an important part of the image.
Tried looking into collapsible row liquid without luck
Sorry you are facing this issue, it would be my pleasure to help you.
Welcome to the Shopify community! 
Thanks for your good question.
Please share your site URL,
I will check out the issue and provide you a solution here.
Hi @DANDAN412512 ,
Go to Assets > base.css and paste this at the bottom of the file:
.product__accordion .accordion__content {
height: 42rem !important;
}
Hope it helps!
Doing so actually broke Shopify. It caused all the Theme Sections to disappear when modifying themes.
Hi @DANDAN412512 ,
I tested and it works fine if you add the code can you explain more about the error?
I will check it.