heartbeat

Demo

(http://heartbeat.dunkkle.com)

Some of the resources used in this project:

https://github.com/daneden/animate.css/blob/master/animate.css https://css-tricks.com/examples/ShapesOfCSS/ https://css-tricks.com/snippets/css/a-guide-to-flexbox/ http://stackoverflow.com/questions/8473162/how-do-i-set-height-of-container-div-to-100-of-window-height https://github.com/aterrien/jQuery-Knob