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