Basic Buttons
A button can contain text. Although any tag can be used for a button, it will only be keyboard focusable if you use a button
tag or you add the property tabindex="0"
.
A button can be disabled, pointer events will not occur.
A button can be made to fill its parent.
Advanced Buttons
A button can be animated to show hidden content. Note the button will be sized according to the visible content. Make sure there is enough room for the hidden content to show.