diff --git a/src/index.css b/src/index.css
index ccc5321..f7f5841 100644
--- a/src/index.css
+++ b/src/index.css
@@ -7,6 +7,16 @@
   .perspective-1000 {
     perspective: 1000px;
   }
+  .transform-style-3d {
+    transform-style: preserve-3d;
+  }
+  .backface-hidden {
+    backface-visibility: hidden;
+    -webkit-backface-visibility: hidden;
+  }
+  .rotate-y-180 {
+    transform: rotateY(180deg);
+  }
 }
 
 :root {