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