Add CSS for the post title

penscratch-2/css/editor-blocks.css

@@ -22,3 +22,17 @@ Description: Used to style Gutenberg Blocks in the editor.
 body {
 	background: #fff;
 }
+
+/* Post title */
+.editor-post-title__block .editor-post-title__input {
+	color: #666;
+	font-family: "Roboto Slab", Georgia, Times, serif;
+	font-size: 26.25px;
+	font-weight: 400;
+}
+
+@media (min-width: 50em) {
+	.editor-post-title__block .editor-post-title__input {
+		font-size: 32px;
+	}
+}