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