Css Template Linen How Do I Convert A Joomla Template To Basic Html/css Template?

How do i convert a Joomla template to basic html/css template? - css template linen

I have installed Joomla and Joomla template (rt_refraction_j15) on my website. But I want the same template and CSS, HTML as a basic model, we do not use Joomla for the processing. Is there an easy way to get the basic HTML / CSS template model?