Element block pseudo-class :active generated with margin 0px overflow hidden float none line-height 1 box-shadow 1px 1px 1px rgba(22,22,22,1) height auto font-weight normal z-index auto padding 20px box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform cursor default position static font-size 16px background width 160px transition display block border-radius border 0px rgba(0,0,0,1) solid