update DemoReactThemeSwitcher,

03_source/mobile/src/pages/DemoReactThemeSwitcher/components/ExploreContainer.scss

@@ -0,0 +1,24 @@
+.container {
+  text-align: center;
+  position: absolute;
+  left: 0;
+  right: 0;
+  top: 50%;
+  transform: translateY(-50%);
+}
+
+.container strong {
+  font-size: 20px;
+  line-height: 26px;
+}
+
+.container p {
+  font-size: 16px;
+  line-height: 22px;
+  color: #8c8c8c;
+  margin: 0;
+}
+
+.container a {
+  text-decoration: none;
+}

03_source/mobile/src/pages/DemoReactThemeSwitcher/components/ExploreContainer.tsx

@@ -0,0 +1,22 @@
+import React from 'react';
+import './ExploreContainer.scss';
+
+const ExploreContainer = ({ name }: { name: string }): React.JSX.Element => {
+  return (
+    <div className="container">
+      <strong>{name}</strong>
+      <p>
+        Explore{' '}
+        <a
+          target="_blank"
+          rel="noopener noreferrer"
+          href="https://ionicframework.com/docs/components"
+        >
+          UI Components
+        </a>
+      </p>
+    </div>
+  );
+};
+
+export default ExploreContainer;