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