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