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