+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!--
+Putting the <style> element at the end of the <svg> also works.
+-->
+<svg width="640"
+ height="480"
+ viewBox="0 0 640 480"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:svg="http://www.w3.org/2000/svg">
+
+ <rect x="5"
+ y="5"
+ width="390"
+ height="470"
+ fill="red" />
+
+ <rect id="rect2"
+ x="320"
+ y="0"
+ width="320"
+ height="480"
+ fill="blue" />
+
+ <style>
+ * {
+ fill-opacity: 0;
+ }
+ </style>
+</svg>