diff --git a/src/common/styles/md3.js b/src/common/styles/md3.js
new file mode 100644
index 0000000..c712226
--- /dev/null
+++ b/src/common/styles/md3.js
@@ -0,0 +1,7 @@
+import {css} from 'lit';
+
+export const SHARED_MD3_STYLES = css`
+  :host {
+    --md-sys-color-surface: rgb(227, 255, 251);
+  }
+`;