Refined doesn’t support issues caused by custom CSS or HTML. Please note that Refined reserves the right to change the HTML structure of this product at any time. We don’t recommend you to override CSS from the product.
You can use custom CSS and HTML to change the look and feel of your Refined site.
Entire site
Go to the Refined Administration.
Click Sites in the left-hand menu.
Pick the site you want to work with.
Go to the Configuration tab.
Scroll down to the Advanced Settings heading.