diff --git a/.env b/.env
new file mode 100644
index 0000000..a43d6bb
--- /dev/null
+++ b/.env
@@ -0,0 +1 @@
+PORT=3001
\ No newline at end of file
diff --git a/src/libs/material-ui/createTheme.ts b/src/libs/material-ui/createTheme.ts
index 581c9f0..8b992c3 100644
--- a/src/libs/material-ui/createTheme.ts
+++ b/src/libs/material-ui/createTheme.ts
@@ -8,6 +8,11 @@ import { blue, pink } from '@material-ui/core/colors';
 const createTheme = (): Theme => {
   return responsiveFontSizes(
     createMuiTheme({
+      typography: {
+        h1: {
+          fontSize: '4.5rem',
+        },
+      },
       palette: {
         primary: {
           main: blue['A200'],