fix : hide the unstyled text by selecting not yet defined component t…

…o avoid foud issue

global-styles.css

@@ -1,3 +1,15 @@
+ds-hero:not(:defined) {
+  display: inline-block;
+  height: 100vh;
+  opacity: 0;
+  transition: opacity 0.3s ease-in-out;
+}
+
+ds-button-link:not(:defined) {
+  opacity: 0;
+  transition: opacity 0.3s ease-in-out;
+}
+
 :root {
   --primary: #846de9;
   --secondary: #24eaca;