transition-add-css.diff

diff --git a/assets/styles/app.css b/assets/styles/app.css
index 4b25f73..5621c51 100644
--- a/assets/styles/app.css
+++ b/assets/styles/app.css
@@ -151,3 +151,13 @@ h1 {
 .modal-body button {
     display: none;
 }
+
+.fade-enter-active, .fade-leave-active {
+    transition: opacity 2000ms;
+}
+.fade-enter-from, .fade-leave-to {
+    opacity: 0;
+}
+.fade-enter-to, .fade-leave-from {
+    opacity: 1;
+}