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