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