Refined doesn’t support any issues that occur due to customized CSS, HTML, or JavaScript.

We want to provide a product that is versatile and caters to a lot of our customers' needs, and doesn’t need custom CSS/HTML/JS. We continually work to on developing more (customizable) features. But sometimes customers have requirements that go beyond this, which is why we do offer the possibility of adding custom code.

Please note that:

That being said, we offer the following resources for advanced site building:

You can place your custom code in the Refined Administration > the Themes tab > the CUSTOM CSS AND HTML field.