Entry for Makeover Monday week 7, How Much Do Americans Spend on Valentine’s Day? Uses https://bl.ocks.org/mbostock/6081914 suggested approach for chaining repeated transitions. Uses the easeElasticOut to achieve the heart beating effect, which updates the viewBox coordinates inversely based on the heart's desired area. See my blog post for more information: https://www.tomshanley.co.nz/blog/2017/3/1/be-still-my-beating-heart-svg-viewbox-transitions-to-animate-custom-shapes
https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js
https://oss.maxcdn.com/respond/1.4.2/respond.min.js