Adding monospace code.

Author: megax

src/gtk-3.20/scss/widgets/_menu.scss

@@ -182,6 +182,8 @@
 
     .context-menu { font: initial; } // Decouple the font of context menus from their entry/textview
 
+    .monospace { font-family: monospace; }
+
     menuitem {
         accelerator {
             color: alpha($menu_fg_color, .6);