use $text-black instead of $text-dark-gray

shawnbot · web-flow · commit 46c60dc0b082 · 2019-11-04T14:37:08.000-08:00
diff --git a/src/base/normalize.scss b/src/base/normalize.scss
@@ -162,7 +162,7 @@ h1 {
 
 mark {
   background-color: #ff0;
-  color: $text-gray-dark;
+  color: $text-black;
 }
 
 /**
