[PAGE] Fixed build error

[Description]
- Add scroll to top button style

src/styles/_components/scrollbutton.module.css

@@ -0,0 +1,18 @@
+.scrollToTop {
+  position: fixed;
+  bottom: 20px;
+  right: 20px;
+  background-color: #0070f3;
+  color: white;
+  border: none;
+  border-radius: 50%;
+  width: 40px;
+  height: 40px;
+  font-size: 20px;
+  cursor: pointer;
+  transition: background-color 0.3s;
+}
+
+.scrollToTop:hover {
+  background-color: #0051a8;
+}