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