diff --git a/public/static/css/default.css b/public/static/css/default.css
index a5359d3..6a42324 100644
--- a/public/static/css/default.css
+++ b/public/static/css/default.css
@@ -502,3 +502,25 @@
 .fix {
   clear: both;
 }
+
+.anm-rotate {
+  animation: trm-rotate 1s infinite linear;
+}
+
+@keyframes trm-rotate {
+  20% {
+    transform: rotate(72deg);
+  }
+  40% {
+    transform: rotate(144deg);
+  }
+  60% {
+    transform: rotate(216deg);
+  }
+  80% {
+    transform: rotate(288deg);
+  }
+  100% {
+    transform: rotate(360deg);
+  }
+}