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