Make box smaller

[sixdreamz]

Hey, is there a way to make the box thinner but keeping the width?

like this

URL: sixdreamz.com

password: sdc2003

[BSSCommerce-B2B]

@sixdreamz ,

Step 1: Go to Admin → Online store → Theme > Edit code

Step 2: Search for the file theme.liquid

Step 3: Add this code before tag

Result: