Disable pointer events on notifications and alerts

src/scss/_alert.scss

@@ -9,6 +9,7 @@
   top: 0;
   transition: visibility 100ms ease-in, opacity 100ms ease-in;
   z-index: 4;
+  pointer-events: none;
 
   span {
     display: inline-block;

src/scss/_notification.scss

@@ -1,4 +1,5 @@
 .notifications {
+  pointer-events: none;
   font-family: $font-monospace;
   font-size: 10px;
   left: 1rem;