View the current hosted version. Or the latest on github pages.
Simply open the index.html
file in your web browser.
Optional: You could simply use Python.
python -m SimpleHTTPServer
To generate these screenshots see Pageres.
Start a server (Pageres requires a server to host files) and then:
cd screenshots/ # Change into the Screenshots directory
pageres http://127.0.0.1:8000/ 1366x768 640x1136 # Create two screenshots of the app