DNN ( DotNetNuke ) Skin

General information for the website: Replicate a DotNetNuke Skin for DNN6
Description of requirements/features:

We get an application over DNN6
What we need now:
Create a SKIN for DNN6 that replicate the SKIN of this other our application you can see at this URL:
http://52.58.52.53/DocTest/

in order we can use this SKIN over our application DNN6

so, what we need now:
-- create a DNN6 Skin that look like exactly like this one we show at url

Extra notes:
we can provide login to old application to check all module to better understanding of skin