Fix timing

Author: Leonabcd123

frontend/static/themes/rainbow_trail.css

@@ -217,6 +217,30 @@ footer button:hover {
   0% {
     opacity: 1;
   }
+  11.11% {
+    opacity: 1;
+  }
+  22.22% {
+    opacity: 1;
+  }
+  33.33% {
+    opacity: 1;
+  }
+  44.44% {
+    opacity: 1;
+  }
+  55.56% {
+    opacity: 1;
+  }
+  66.67% {
+    opacity: 1;
+  }
+  77.78% {
+    opacity: 1;
+  }
+  88.89% {
+    opacity: 1;
+  }
   100% {
     opacity: 0;
   }