FF-custom-contextual-menu

/*** BEGIN: Bring back contextual menu shadow ***/
  #main-menubar > menu > menupopup, menupopup {
    border: none !important;
    margin: -1px 0px 0px -10px !important;}

  #main-menubar > menu > menupopup, menupopup {
    background-color: transparent !important;
    -moz-appearance: none !important;}

  .menupopup-arrowscrollbox {
    margin-left: 9px !important;
    margin-right: 9px !important;
    margin-top: 2px !important;
    margin-bottom: 16px !important;
    border: 1px solid #C4C4C4 !important;
    border-radius: 5px !important;
    box-shadow: 0px 7px 8px 1px rgba(0,0,0,0.2) !important;
    background-color: Menu !important;} /* <– this appears to control the color of the 'strips' around menu items */
/*** END: Bring back contextual menu shadow ***/