fix: code styles

src/providers/CustomThemeProvider.tsx

@@ -27,6 +27,15 @@ export const CustomThemeProvider: React.FC<{ children: React.ReactNode }> = ({
       },
       spacing: 8,
       typography: typography,
+      components: {
+        MuiButton: {
+          defaultProps: {
+            sx: {
+              textTransform: 'none',
+            },
+          },
+        },
+      },
     });
   }, [i18n]);