Completely rewrote options script.

assets/less/app.less

@@ -3,6 +3,7 @@
 @import "bootswatch/paper/bootswatch";
 @import "bootswatch/paper/variables";
 @import "variables";
+@import "partials/_animations";
 
 body {
   min-width: 357px;

assets/less/partials/_animations.less

@@ -0,0 +1,17 @@
+.alert-enter {
+  opacity: 0.01;
+  transition: opacity 1s ease-in;
+}
+
+.alert-enter.alert-enter-active {
+  opacity: 1;
+}
+
+.alert-leave {
+  opacity: 1;
+  transition: opacity 1s ease-in;
+}
+
+.alert-leave.alert-leave-active {
+  opacity: 0.01;
+}