diff --git a/web/src/elements/utils/getRootStyle.ts b/web/src/elements/utils/getRootStyle.ts
new file mode 100644
index 000000000..f91d63e5f
--- /dev/null
+++ b/web/src/elements/utils/getRootStyle.ts
@@ -0,0 +1,5 @@
+export function getRootStyle(selector: string, element: HTMLElement = document.documentElement) {
+    return getComputedStyle(element, null).getPropertyValue(selector);
+}
+
+export default getRootStyle;