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