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