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