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