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