diff --git a/css/skeleton-auto.css b/css/skeleton-auto.css
index ce74bd5..f1e8a36 100644
--- a/css/skeleton-auto.css
+++ b/css/skeleton-auto.css
@@ -277,3 +277,23 @@ hr {
 }
 
 .animate-top{position:relative;animation:animatetop 0.8s}@keyframes animatetop{from{top:-25px;opacity:0} to{top:0;opacity:1}}
+
+.button-entrance {
+    animation-name: popUp;
+    animation-duration: 1s;
+    animation-fill-mode: both;
+    /* Used to start button entrance animation one after another  */
+    animation-delay: calc(var(--delay)/10);
+  }
+
+@keyframes popUp {
+  from {
+    opacity: 0;
+    transform: scale3d(0.3, 0.3, 0.3);
+  }
+
+  50% {
+    opacity: 1;
+  }
+}
+