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