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