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