Thanks for writing in! You can copy the sections of the website by creating your page using Cornerstone. You can make use of the various Cornerstone elements to mimic the example website. You can also install Rev slider and Essential grid plugins to mimic other sections with a grid like layouts.
To start with Cornerstone, please check this out: https://theme.co/apex/forum/t/cornerstone-introduction/118
You can also check out the Rev Slider and the essential grid from here:
Hope this helps.