Filling questionnaire process for client now works like a charm

public/css/loading.css

@@ -0,0 +1,32 @@
+.signal {
+    border: 3px solid #333;
+    border-radius: 50px;
+    height: 50px;
+    left: 50%;
+    margin: -25px 0 0 -25px;
+    opacity: 0;
+    position: absolute;
+    top: 50%;
+    width: 50px;
+
+    animation: pulsate 1.2s ease-out;
+    animation-iteration-count: infinite;
+}
+
+.late {
+  animation-delay: .25s;
+}
+
+@keyframes pulsate {
+    0% {
+      transform: scale(.1);
+      opacity: 0.0;
+    }
+    50% {
+      opacity: 1;
+    }
+    100% {
+      transform: scale(1.2);
+      opacity: 0;
+    }
+}