An Interactive Guide to CSS Transitions A Reference Work by Josh W. Comeau www.joshwcomeau.com In this tutorial, we'll dig in and learn a bit more about CSS transitions, and how we can use them to create lush, polished animations. cssanimation
The ordering of steps The ordering of steps is based on the following concept: that as each step progresses and the design is further detailed, there is an iteration with the preceding and succeeding steps but rarely with the more remote steps in the sequence...what we have is an effective fallback position that tends to maximize the extent of early work that is salvageable and preserved. Winston W. Royce, Managing the Development of Large Software Systems The rational model of design