Element block pseudo-class :active generated with border-radius transition overflow hidden height auto transform cursor default z-index auto background font-size 16px position static padding 20px width 160px display block box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none font-weight normal margin 0px border 0px rgba(0,0,0,1) solid line-height 1