diff --git a/src/Clone.js b/src/Clone.js
index 4def893..1de4eb7 100644
--- a/src/Clone.js
+++ b/src/Clone.js
@@ -229,6 +229,15 @@ export class DocumentCloner {
return tempIframe;
}
+ if (node instanceof HTMLStyleElement && node.sheet && node.sheet.cssRules) {
+ const css = [].slice
+ .call(node.sheet.cssRules, 0)
+ .reduce((css, rule) => css + rule.cssText, '');
+ const style = node.cloneNode(false);
+ style.textContent = css;
+ return style;
+ }
+
return node.cloneNode(false);
}
diff --git a/tests/reftests/dynamicstyle.html b/tests/reftests/dynamicstyle.html
new file mode 100644
index 0000000..218a2ca
--- /dev/null
+++ b/tests/reftests/dynamicstyle.html
@@ -0,0 +1,37 @@
+
+
+
+ Dynamic style
+
+
+
+
+
+
+Static styles
+Dynamic styles
+
+
+