Fix default blacks to be more consistent

src/themes/packages/default/elements/icon.overrides

@@ -536,6 +536,8 @@ i.icon.sidebar:before { content: "\f00b"; }
 i.icon.check:before { content: "\f00c"; }
 i.icon.remove:before { content: "\f00d"; }
 i.icon.close:before { content: "\f00d"; }
+i.icon.cancel:before { content: "\f00d"; }
+i.icon.delete:before { content: "\f00d"; }
 i.icon.x:before { content: "\f00d"; }
 i.icon.zoom.in:before { content: "\f00e"; }
 i.icon.magnify:before { content: "\f00e"; }

src/themes/packages/default/globals/site.variables

@@ -141,8 +141,8 @@
 
 /*---  Neutrals  ---*/
 @darkBlack        : #232323;
-@black            : #555555;
-@lightBlack       : #999999;
+@black            : #333333;
+@lightBlack       : #555555;
 
 @darkGrey         : #AAAAAA;
 @grey             : #CCCCCC;