Make nav font size smaller.

stratford/sass/_config-child-theme-deep.scss

@@ -319,7 +319,7 @@ $config-header: (
 		// Fonts
 		"font": (
 			"family": map-deep-get($config-global, "font", "family", "secondary"),
-			"size": map-deep-get($config-global, "font", "size", "base"),
+			"size": map-deep-get($config-global, "font", "size", "sm"),
 			"weight": 700,
 			"line-height": 1.5,
 		),

stratford/style-rtl.css

@@ -1078,7 +1078,7 @@ input[type="submit"],
 	cursor: pointer;
 	font-weight: 700;
 	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
-	font-size: 1rem;
+	font-size: 0.83333rem;
 	background-color: #3e69dc;
 	border-radius: 10px;
 	border-width: 0;

stratford/style.css

@@ -2454,7 +2454,7 @@ table th,
 	color: #2c313f;
 	display: block;
 	font-family: "Lato", sans-serif;
-	font-size: 1rem;
+	font-size: 0.83333rem;
 	font-weight: 700;
 	padding: 16px;
 }