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