transition

css transitions is a module of css that lets you create gradual transitions between the values of specific css properties. the behavior of these transitions can be controlled by specifying their timing function, duration, and other attributes.

widthe.g. loading indicator

press the button below or use the keyboard to focus on the button and press the spacebar.

opacitye.g. fade in / fade out

press the button below or use the keyboard to focus on the button and press the spacebar.

browser support