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