Element block pseudo-class :active generated with background border-radius font-size 48px transition margin 0px box-sizing border-box transform position static overflow visible border 0px rgba(255,255,255,1) solid width auto padding 10px display inline-block z-index auto line-height normal float none font-weight normal height auto cursor default text-shadow 0px 0px 10px rgba(255,255,255,1) box-shadow