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