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