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