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