Avoid capturing mouse or pointer events in graphical assets.

services/web/public/stylesheets/app/error-pages.less

@@ -28,6 +28,7 @@
 			background-size: 400px;
 			background-repeat: no-repeat;
 			background-position: right 70%;
+			pointer-events: none;
 		}
 		&::after {
 			content: '';
@@ -36,11 +37,12 @@
 			top: 0;
 			bottom: 0;
 			left: 0;
-			right: 0;
+			right: 50%;
 			background-image: url(/img/brand/500-visual-tail.svg);
 			background-size: 100px;
 			background-repeat: no-repeat;
-			background-position: 35% bottom;
+			background-position: 90% bottom;
+			pointer-events: none;
 		}
 	}
 		.error-img {