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