diff --git a/package.json b/package.json
index dc7380a..8e40c05 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,6 @@
     "@types/react-dom": "^16.9.8",
     "clsx": "^1.1.1",
     "date-fns": "^2.16.1",
-    "fontsource-roboto": "^3.1.5",
     "graphql": "^15.4.0",
     "i18next": "^19.8.3",
     "i18next-browser-languagedetector": "^6.0.1",
diff --git a/src/config/app.ts b/src/config/app.ts
index 8910572..f677a09 100644
--- a/src/config/app.ts
+++ b/src/config/app.ts
@@ -1,4 +1,4 @@
-export const DEFAULT_LANGUAGE = process.env.REACT_APP_DEFAULT_LANGUAGE ?? 'en';
+export const DEFAULT_LANGUAGE = process.env.REACT_APP_DEFAULT_LANGUAGE ?? 'pl';
 
 export const NAME = 'TWHelp';
 
diff --git a/src/features/App.tsx b/src/features/App.tsx
index 024a9a7..c64efcd 100644
--- a/src/features/App.tsx
+++ b/src/features/App.tsx
@@ -1,4 +1,3 @@
-import 'fontsource-roboto/latin-ext.css';
 import React, { Fragment } from 'react';
 import * as ROUTES from '@config/routes';
 
diff --git a/src/theme/createTheme.ts b/src/theme/createTheme.ts
index 4c3aae8..e8a96cf 100644
--- a/src/theme/createTheme.ts
+++ b/src/theme/createTheme.ts
@@ -1,3 +1,4 @@
+import './font.css';
 import {
   createMuiTheme,
   responsiveFontSizes,
diff --git a/src/theme/font.css b/src/theme/font.css
new file mode 100644
index 0000000..d2e509b
--- /dev/null
+++ b/src/theme/font.css
@@ -0,0 +1,132 @@
+/* roboto-latin-ext-100-normal*/
+@font-face {
+  font-family: 'Roboto';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 100;
+  src:
+    local('Roboto Thin'),
+    local('Roboto-Thin'), 
+    url('./roboto/Roboto-Thin.ttf') format('truetype')
+}
+/* roboto-latin-ext-100-italic*/
+@font-face {
+  font-family: 'Roboto';
+  font-style: italic;
+  font-display: swap;
+  font-weight: 100;
+  src:
+    local('Roboto Thin Italic'),
+    local('Roboto-ThinItalic'), 
+    url('./roboto/Roboto-ThinItalic.ttf') format('truetype')
+}
+/* roboto-latin-ext-300-normal*/
+@font-face {
+  font-family: 'Roboto';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 300;
+  src:
+    local('Roboto Light'),
+    local('Roboto-Light'), 
+    url('./roboto/Roboto-Light.ttf') format('truetype')
+}
+/* roboto-latin-ext-300-italic*/
+@font-face {
+  font-family: 'Roboto';
+  font-style: italic;
+  font-display: swap;
+  font-weight: 300;
+  src:
+    local('Roboto Light Italic'),
+    local('Roboto-LightItalic'), 
+    url('./roboto/Roboto-LightItalic.ttf') format('truetype')
+}
+/* roboto-latin-ext-400-normal*/
+@font-face {
+  font-family: 'Roboto';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 400;
+  src:
+    local('Roboto'),
+    local('Roboto-Regular'), 
+    url('./roboto/Roboto-Regular.ttf') format('truetype')
+}
+/* roboto-latin-ext-400-italic*/
+@font-face {
+  font-family: 'Roboto';
+  font-style: italic;
+  font-display: swap;
+  font-weight: 400;
+  src:
+    local('Roboto Italic'),
+    local('Roboto-Italic'), 
+    url('./roboto/Roboto-Italic.ttf') format('truetype')
+}
+/* roboto-latin-ext-500-normal*/
+@font-face {
+  font-family: 'Roboto';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 500;
+  src:
+    local('Roboto Medium'),
+    local('Roboto-Medium'), 
+    url('./roboto/Roboto-Medium.ttf') format('truetype')
+}
+/* roboto-latin-ext-500-italic*/
+@font-face {
+  font-family: 'Roboto';
+  font-style: italic;
+  font-display: swap;
+  font-weight: 500;
+  src:
+    local('Roboto Medium Italic'),
+    local('Roboto-MediumItalic'), 
+    url('./roboto/Roboto-MediumItalic.ttf') format('truetype')
+}
+/* roboto-latin-ext-700-normal*/
+@font-face {
+  font-family: 'Roboto';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 700;
+  src:
+    local('Roboto Bold'),
+    local('Roboto-Bold'), 
+    url('./roboto/Roboto-Bold.ttf') format('truetype')
+}
+/* roboto-latin-ext-700-italic*/
+@font-face {
+  font-family: 'Roboto';
+  font-style: italic;
+  font-display: swap;
+  font-weight: 700;
+  src:
+    local('Roboto Bold Italic'),
+    local('Roboto-BoldItalic'), 
+    url('./roboto/Roboto-BoldItalic.ttf') format('truetype')
+}
+/* roboto-latin-ext-900-normal*/
+@font-face {
+  font-family: 'Roboto';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 900;
+  src:
+    local('Roboto Black'),
+    local('Roboto-Black'), 
+    url('./roboto/Roboto-Black.ttf') format('truetype')
+}
+/* roboto-latin-ext-900-italic*/
+@font-face {
+  font-family: 'Roboto';
+  font-style: italic;
+  font-display: swap;
+  font-weight: 900;
+  src:
+    local('Roboto Black Italic'),
+    local('Roboto-BlackItalic'), 
+    url('./roboto/Roboto-BlackItalic.ttf') format('truetype')
+}
\ No newline at end of file
diff --git a/src/theme/roboto/Roboto-Black.ttf b/src/theme/roboto/Roboto-Black.ttf
new file mode 100644
index 0000000..3ecbdef
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diff --git a/src/theme/roboto/Roboto-BlackItalic.ttf b/src/theme/roboto/Roboto-BlackItalic.ttf
new file mode 100644
index 0000000..44c086c
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diff --git a/src/theme/roboto/Roboto-Bold.ttf b/src/theme/roboto/Roboto-Bold.ttf
new file mode 100644
index 0000000..70def3f
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diff --git a/src/theme/roboto/Roboto-BoldItalic.ttf b/src/theme/roboto/Roboto-BoldItalic.ttf
new file mode 100644
index 0000000..216f9ce
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diff --git a/src/theme/roboto/Roboto-Italic.ttf b/src/theme/roboto/Roboto-Italic.ttf
new file mode 100644
index 0000000..f0f33db
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diff --git a/src/theme/roboto/Roboto-Light.ttf b/src/theme/roboto/Roboto-Light.ttf
new file mode 100644
index 0000000..3a03044
Binary files /dev/null and b/src/theme/roboto/Roboto-Light.ttf differ
diff --git a/src/theme/roboto/Roboto-LightItalic.ttf b/src/theme/roboto/Roboto-LightItalic.ttf
new file mode 100644
index 0000000..983381b
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diff --git a/src/theme/roboto/Roboto-Medium.ttf b/src/theme/roboto/Roboto-Medium.ttf
new file mode 100644
index 0000000..284b1ba
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diff --git a/src/theme/roboto/Roboto-MediumItalic.ttf b/src/theme/roboto/Roboto-MediumItalic.ttf
new file mode 100644
index 0000000..a0b10d2
Binary files /dev/null and b/src/theme/roboto/Roboto-MediumItalic.ttf differ
diff --git a/src/theme/roboto/Roboto-Regular.ttf b/src/theme/roboto/Roboto-Regular.ttf
new file mode 100644
index 0000000..500b104
Binary files /dev/null and b/src/theme/roboto/Roboto-Regular.ttf differ
diff --git a/src/theme/roboto/Roboto-Thin.ttf b/src/theme/roboto/Roboto-Thin.ttf
new file mode 100644
index 0000000..0c7d50b
Binary files /dev/null and b/src/theme/roboto/Roboto-Thin.ttf differ
diff --git a/src/theme/roboto/Roboto-ThinItalic.ttf b/src/theme/roboto/Roboto-ThinItalic.ttf
new file mode 100644
index 0000000..277d8cf
Binary files /dev/null and b/src/theme/roboto/Roboto-ThinItalic.ttf differ
diff --git a/yarn.lock b/yarn.lock
index ebfd6be..84d1d83 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5431,11 +5431,6 @@ follow-redirects@^1.0.0:
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.0.tgz#b42e8d93a2a7eea5ed88633676d6597bc8e384db"
   integrity sha512-aq6gF1BEKje4a9i9+5jimNFIpq4Q1WiwBToeRK5NvZBd/TRsmW8BsJfOEGkr76TbOyPVD3OVDN910EcUNtRYEA==
 
-fontsource-roboto@^3.1.5:
-  version "3.1.5"
-  resolved "https://registry.yarnpkg.com/fontsource-roboto/-/fontsource-roboto-3.1.5.tgz#d5da8bac968db7911e20fd2fb6c227d405f86cba"
-  integrity sha512-DXSE7/F/6AsKcRJX4VSi3bGrEx0xiaqieeV2W7UH9JFk6tt1U86NoWwy2iNPoUzGtEyQsasilwhTrMJm7wM+Ew==
-
 for-in@^0.1.3:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-0.1.8.tgz#d8773908e31256109952b1fdb9b3fa867d2775e1"