diff --git a/src/lib/viewUtils.ts b/src/lib/viewUtils.ts
index 6b2890b..75a95eb 100644
--- a/src/lib/viewUtils.ts
+++ b/src/lib/viewUtils.ts
@@ -196,8 +196,9 @@ export function listenEvents<K extends Array<keyof HTMLElementEventMap>>(element
     };
 }
 
-export function injectCss(css: string, options?: { tag: string; }) {
-    document.head.appendChild(buildDOM({ tag: options?.tag ?? 'style', text: css }));
+export function injectCss(css: string, options?: { parent?: Node, tag?: string; }) {
+    const parent = options?.parent ?? document.head;
+    parent.appendChild(buildDOM({ tag: options?.tag ?? 'style', text: css }));
 }
 
 export class TextCompositionWatcher {
diff --git a/src/lib/viewlib.ts b/src/lib/viewlib.ts
index 3a4c443..9000b3b 100644
--- a/src/lib/viewlib.ts
+++ b/src/lib/viewlib.ts
@@ -3,13 +3,16 @@
 import { injectCss } from "./viewUtils";
 import css from "../../style.css";
 
-export function getWebfxCss() { return css; }
+export function getWebfxCss() {
+  return css;
+}
+
 let cssInjected = false;
-export function injectWebfxCss() {
-    if (!cssInjected) {
-        injectCss(getWebfxCss(), { tag: 'style.webfx-injected-style' });
-        cssInjected = true;
-    }
+export function injectWebfxCss(options?: { parent?: Node }) {
+  if (!cssInjected) {
+    injectCss(getWebfxCss(), { ...options, tag: "style.webfx-injected-style" });
+    cssInjected = true;
+  }
 }
 
 // Views and helpers are moved to ../views/