diff --git a/public/css/icinga/animation.less b/public/css/icinga/animation.less
index c4a9cfafd..aad3ffb7e 100644
--- a/public/css/icinga/animation.less
+++ b/public/css/icinga/animation.less
@@ -346,4 +346,21 @@
   100% {
     opacity: 0.2;
   }
-}
\ No newline at end of file
+}
+
+@keyframes pulse {
+  0% {
+    opacity: .5;
+    transform: scale(1);
+  }
+
+  50% {
+    opacity: 1;
+    transform: scale(1.2);
+  }
+
+  100% {
+    opacity: .5;
+    transform: scale(1);
+  }
+}