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