<- Draw a picture and then resize me!
var Sketchpad = require('responsive-sketchpad');
var el = document.getElementById('sketchpad');
var pad = new Sketchpad(el, {
aspectRatio: 2 / 1
});
pad.setLineColor('#000000');
pad.setLineSize(20);
pad.undo();
pad.redo();
pad.clear();