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