The CSS animations module lets you animate the values of CSS properties, such as background-position and transform, over time by using keyframes. Each keyframe describes how the animated element should render at a given time during the animation sequence. You can use the properties in the animations module to control the duration, number of repetitions, delayed start, and other aspects of an animation....as background-position and transform, over time by using keyframes...height: 30px; width: 30px; transform-origin: right -30px; } i:nth-of-type(4n...