For questions, please use Stack Overflow and be sure to use the featherlight.js tag. Please provide an example, starting for example from this jsfiddle
If you believe you've found a bug, please open an issue on Github and provide an example starting from this jsfiddle.
Pull requests are welcome (good tips can be found on Stack Overflow)
To run the tests, you can open test/featherlight.html or test/featherlight_gallery.html in your browser.
Alternatively, run them from the console with grunt test; you will need to run npm install the first time.