diff --git a/src/styles/darkTheme.ts b/src/styles/darkTheme.ts
index 9130a771..cb6c4da4 100644
--- a/src/styles/darkTheme.ts
+++ b/src/styles/darkTheme.ts
@@ -1,2 +1,3 @@
 import getTheme from "./getTheme";
-export default getTheme({ themeName: "dark" });
+const darkTheme: ReactUWP.ThemeType = getTheme({ themeName: "dark" });
+export default darkTheme;
diff --git a/src/styles/getStripedBackground.ts b/src/styles/getStripedBackground.ts
index d0e45d8c..398d679f 100644
--- a/src/styles/getStripedBackground.ts
+++ b/src/styles/getStripedBackground.ts
@@ -1,4 +1,4 @@
-export default function getStripedBackground(size = 4, firstColor = "#000", secondColor = "hsla(0, 0%, 0%, 0.85)") {
+export default function getStripedBackground(size = 4, firstColor = "#000", secondColor = "hsla(0, 0%, 0%, 0.85)"): React.CSSProperties {
   return {
     background: `linear-gradient(45deg, ${firstColor} 25%, ${secondColor} 0px, ${secondColor} 50%, ${firstColor} 0px, ${firstColor} 75%, ${secondColor} 0px) 0% 0% / ${size}px ${size}px ${firstColor}`
   } as React.CSSProperties;
diff --git a/src/styles/lightTheme.ts b/src/styles/lightTheme.ts
index 4412c2f5..92c7e95b 100644
--- a/src/styles/lightTheme.ts
+++ b/src/styles/lightTheme.ts
@@ -1,3 +1,3 @@
 import getTheme from "./getTheme";
-
-export default getTheme({ themeName: "dark" });
+const lightTheme: ReactUWP.ThemeType = getTheme({ themeName: "light" });
+export default lightTheme;