Element block pseudo-class :active generated with background float none width 160px margin 0px box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block border 0px rgba(0,0,0,1) solid padding 9px cursor default overflow hidden border-radius height auto transition line-height 1 font-size 18px z-index auto font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) position static transform