Merge pull request #3948 from Automattic/update/blockbase-header-font-size

Blockbase: Update header font size

blockbase/experimental-theme.json

@@ -373,7 +373,7 @@
 			},
 			"core/site-title": {
 				"typography": {
-					"fontSize": "60px",
+					"fontSize": "var(--wp--preset--font-size--normal)",
 					"fontWeight": 700
 				}
 			},