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