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