diff --git a/src/styles/styled.d.ts b/src/styles/styled.d.ts
new file mode 100644
index 0000000..1d0403f
--- /dev/null
+++ b/src/styles/styled.d.ts
@@ -0,0 +1,24 @@
+import 'styled-components';
+
+declare module 'styled-components' {
+  export interface DefaultTheme {
+    layout: {
+      max_width: string;
+    };
+    colors: {
+      black: string;
+      gray: string;
+      text_gray: string;
+      bg_gray: string;
+      white: string;
+      primary: string;
+      text_primary: string;
+      yellow: string;
+      silver: string;
+      bronze: string;
+    };
+    border: {
+      default: string;
+    };
+  }
+}