dos

Public/static/css/index.css

@@ -64,4 +64,41 @@ body {
 video {
   width: 100%;
   height: 100%;
+}
+
+.arrow {
+  animation: arrow 2s linear infinite;
+  -webkit-animation: arrow 2s linear infinite;
+}
+
+@keyframes arrow {
+  0% {
+    transform: translateY(-50%);
+    opacity: 0;
+  }
+
+  10% {
+    opacity: 1;
+  }
+
+  90% {
+    opacity: 1;
+    transform: translateY(50%);
+  }
+}
+
+@-webkit-keyframes arrow {
+  0% {
+    -webkit-transform: translateY(-50%);
+    opacity: 0;
+  }
+
+  10% {
+    opacity: 1;
+  }
+
+  90% {
+    opacity: 1;
+    -webkit-transform: translateY(50%);
+  }
 }
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