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