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