diff --git a/index.html b/index.html
index a78266e..887ddea 100644
--- a/index.html
+++ b/index.html
@@ -353,8 +353,8 @@ label {
 }
 
 @keyframes pulse {
-  50% {
-    opacity: 0.6;
-  }
+    50% {
+        opacity: 0.6;
+    }
 }
 </style>
\ No newline at end of file