M static/style.css → static/style.css

@@ -75,5 +75,25 @@ position: absolute;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
+
+  -webkit-animation: fadein 2s;
+  -moz-animation: fadein 2s;
+  -ms-animation: fadein 2s;
+  -o-animation: fadein 2s;
+  animation: fadein 2s;
 }
 
+@keyframes fadein {
+  from { opacity: 0; }
+  to { opacity: 1; }
+}
+
+@-moz-keyframes fadein {
+  from { opacity: 0; }
+  to { opacity: 1; }
+}
+
+@-webkit-keyframes fadein {
+  from { opacity: 0; }
+  to { opacity: 1; }
+}