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