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