Element block pseudo-class :active generated with padding 20px cursor default border-radius border 0px rgba(0,0,0,1) solid box-shadow 0px 0px 2px rgba(191,191,191,0.5) height auto transition margin 0px overflow hidden line-height 1 box-sizing content-box position static float none width 160px transform font-size 16px z-index auto background font-weight normal display block text-shadow