fix(SW-1386): correct font sizes and levels for full width campaign

components/TempDesignSystem/Text/Preamble/preamble.module.css

@@ -33,6 +33,10 @@
   color: var(--Base-Text-UI-Medium-contrast);
 }
 
+.baseText {
+  color: var(--Base-Text-Inverted);
+}
+
 .center {
   text-align: center;
 }

components/TempDesignSystem/Text/Preamble/variants.ts

@@ -9,6 +9,7 @@ const config = {
       burgundy: styles.burgundy,
       pale: styles.pale,
       textMediumContrast: styles.textMediumContrast,
+      baseText: styles.baseText,
     },
     textAlign: {
       center: styles.center,