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