diff --git a/index.html b/index.html
index b8743d6..9e7cc3d 100644
--- a/index.html
+++ b/index.html
@@ -1,3 +1,29 @@
+<style>
+.accordion {
+  background-color: #eee;
+  color: #444;
+  cursor: pointer;
+  padding: 18px;
+  width: 100%;
+  border: none;
+  text-align: left;
+  outline: none;
+  font-size: 15px;
+  transition: 0.4s;
+}
+
+.active, .accordion:hover {
+  background-color: #ccc; 
+}
+
+.panel {
+  padding: 0 18px;
+  display: none;
+  background-color: white;
+  overflow: hidden;
+}
+</style>
+
 <button class="accordion">Section 1</button>
 <div class="panel">
   <p>Lorem ipsum...</p>