pkp/pkp-lib#9527 Apply default text color also in storybook

Author: jardakotesovec

src/styles/_global.less

@@ -8,6 +8,9 @@
    This is just temporary until styling is migrated to taildwind classes
    */
 @layer base {
+	body {
+		color: #222222;
+	}
 	h1 {
 		@apply font-bold;
 	}