diff --git a/src/theme.ts b/src/theme.ts
index e53ecd1..73879c8 100644
--- a/src/theme.ts
+++ b/src/theme.ts
@@ -215,7 +215,8 @@ const theme: ThemeOptions = {
         MuiButtonBase: {
             styleOverrides: {
                 root: {
-                    fontFamily
+                    fontFamily,
+                    fontSize: "16px",
                 }
             },
         },