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