Remove unused panels-slider.html
Scale back basic transition example to starting point
Add transition rule for all shapes
Add is-animated class to square
Add click handler on shapes to toggle is-animated class
Add animated styles for the circle
Override transition for circle, using Bourbon mixin
Reset hamburger example to basics
Add transition styles for the hamburger button
Add click handler to trigger the hamburger button transition
Add side menu to be opened with toggling hamburger button