Hi Ola,
Thank you so much for your paying attention to our template. About your questions, I can answer as following:
1. How can change "color style" that you called "layout" for this template
Please use Cpanel as the screenshot I attached here. That is box at the margin right of the demo.
Other way, you can change color in the administrator of this template. After the template payment is completed, you can access to the user-guide area. There we help you configure the template with many changing follow your idea.
We have some info and hope to help you clarify your wondering. If you have any other questions, please don't hesitate to let us know. We're here and ready to help you.
Thanks!