fix css style

Author: danieleds

src/pages/index.module.css

@@ -16,6 +16,18 @@
   }
 }
 
+@media screen and (max-width: 500px) {
+  .heroBanner h1 {
+    font-size: 2.3rem;
+  }
+}
+
+@media screen and (max-width: 400px) {
+  .heroBanner h1 {
+    font-size: 1.5rem;
+  }
+}
+
 .buttons {
   display: flex;
   align-items: center;