Revert "fixed CSS rendering issue in Chrome browser (171)"

This reverts commit 4a2489f.

Author: mjabascal10

frontend/src/css/dashboard.css

@@ -360,15 +360,15 @@ table tr>*:last-child {
 
 @keyframes show {
   0% {
-    visibility: hidden;
+    display: none;
     opacity: 0;
   }
   1% {
-    visibility: visible;
+    display: block;
     opacity: 0;
   }
   100% {
-    visibility: visible;
+    display: block;
     opacity: 1;
   }
 }

frontend/src/css/styles.css

@@ -127,7 +127,7 @@ main .spinner .bounce2 {
 }
 
 #click-overlay.active {
-  visibility: visible;
+  display: block;
 }
 
 .action .counter {