Element block pseudo-class :active generated with width 160px transition border-radius display block cursor default height auto transform position static margin 0px overflow hidden line-height 1 padding 20px border 4px rgba(0,0,0,1) solid font-weight normal z-index auto background font-size 16px float none box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 3px 3px 3px rgba(0,255,0,1)