diff --git a/src/client/dom/css.ts b/src/client/dom/css.ts
index bfeee82..0b89c03 100644
--- a/src/client/dom/css.ts
+++ b/src/client/dom/css.ts
@@ -78,4 +78,18 @@ export default function (client: ScramjetClient) {
 			ctx.set(v);
 		},
 	});
+
+	client.Proxy("CSSStyleDeclaration.prototype.getPropertyValue", {
+		apply(ctx) {
+			const v = ctx.call();
+			if (!v) return v;
+			ctx.return(unrewriteCss(v));
+		},
+	});
+	client.Proxy("CSSStyleDeclaration.prototype.setProperty", {
+		apply(ctx) {
+			if (!ctx.args[1]) return;
+			ctx.args[1] = rewriteCss(ctx.args[1], client.meta);
+		},
+	});
 }