diff --git a/index.html b/index.html
new file mode 100644
index 0000000..a015e8b
--- /dev/null
+++ b/index.html
@@ -0,0 +1,13 @@
+/* Transiciones de ejemplo */
+.btn-primary {
+  background-color: #3498db;
+  color: white;
+  padding: 10px 20px;
+  border-radius: 8px;
+  transition: background-color 0.3s ease, transform 0.3s ease;
+}
+
+.btn-primary:hover {
+  background-color: #2980b9;
+  transform: scale(1.05);
+}