diff --git a/@types/styled.d.ts b/@types/styled.d.ts
new file mode 100644
index 0000000..a4270bf
--- /dev/null
+++ b/@types/styled.d.ts
@@ -0,0 +1,9 @@
+import 'styled-components';
+
+import { theme } from 'styles/theme';
+
+export type Theme = typeof theme;
+
+declare module 'styled-components' {
+  export interface DefaultTheme extends Theme {}
+}
diff --git a/src/pages/_app.js b/pages/_app.tsx
similarity index 67%
rename from src/pages/_app.js
rename to pages/_app.tsx
index b43f55e..d394d06 100644
--- a/src/pages/_app.js
+++ b/pages/_app.tsx
@@ -1,13 +1,13 @@
 import { ThemeProvider } from 'styled-components';
 
-import { theme } from '../styles/theme';
-import GlobalStyle from '../styles/globals';
+import { theme } from 'styles/theme';
+import GlobalStyles from 'styles/global';
 
 function MyApp({ Component, pageProps }) {
   return (
     <ThemeProvider theme={theme}>
       <Component {...pageProps} />
-      <GlobalStyle />
+      <GlobalStyles />
     </ThemeProvider>
   );
 }
diff --git a/src/pages/_document.js b/pages/_document.tsx
similarity index 83%
rename from src/pages/_document.js
rename to pages/_document.tsx
index a7564bf..31f0c13 100644
--- a/src/pages/_document.js
+++ b/pages/_document.tsx
@@ -1,8 +1,17 @@
-import Document, { Html, Head, Main, NextScript } from 'next/document';
+import Document, {
+  DocumentInitialProps,
+  DocumentContext,
+  Html,
+  Head,
+  Main,
+  NextScript,
+} from 'next/document';
 import { ServerStyleSheet } from 'styled-components';
 
 export default class MyDocument extends Document {
-  static async getInitialProps(ctx) {
+  static async getInitialProps(
+    ctx: DocumentContext,
+  ): Promise<DocumentInitialProps> {
     const sheet = new ServerStyleSheet();
     const originalRenderPage = ctx.renderPage;
 
diff --git a/styles/Home.module.css b/styles/Home.module.css
deleted file mode 100644
index 42e7e60..0000000
--- a/styles/Home.module.css
+++ /dev/null
@@ -1,122 +0,0 @@
-.container {
-  min-height: 100vh;
-  padding: 0 0.5rem;
-  display: flex;
-  flex-direction: column;
-  justify-content: center;
-  align-items: center;
-}
-
-.main {
-  padding: 5rem 0;
-  flex: 1;
-  display: flex;
-  flex-direction: column;
-  justify-content: center;
-  align-items: center;
-}
-
-.footer {
-  width: 100%;
-  height: 100px;
-  border-top: 1px solid #eaeaea;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-}
-
-.footer img {
-  margin-left: 0.5rem;
-}
-
-.footer a {
-  display: flex;
-  justify-content: center;
-  align-items: center;
-}
-
-.title a {
-  color: #0070f3;
-  text-decoration: none;
-}
-
-.title a:hover,
-.title a:focus,
-.title a:active {
-  text-decoration: underline;
-}
-
-.title {
-  margin: 0;
-  line-height: 1.15;
-  font-size: 4rem;
-}
-
-.title,
-.description {
-  text-align: center;
-}
-
-.description {
-  line-height: 1.5;
-  font-size: 1.5rem;
-}
-
-.code {
-  background: #fafafa;
-  border-radius: 5px;
-  padding: 0.75rem;
-  font-size: 1.1rem;
-  font-family: Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono,
-    Bitstream Vera Sans Mono, Courier New, monospace;
-}
-
-.grid {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  flex-wrap: wrap;
-  max-width: 800px;
-  margin-top: 3rem;
-}
-
-.card {
-  margin: 1rem;
-  flex-basis: 45%;
-  padding: 1.5rem;
-  text-align: left;
-  color: inherit;
-  text-decoration: none;
-  border: 1px solid #eaeaea;
-  border-radius: 10px;
-  transition: color 0.15s ease, border-color 0.15s ease;
-}
-
-.card:hover,
-.card:focus,
-.card:active {
-  color: #0070f3;
-  border-color: #0070f3;
-}
-
-.card h3 {
-  margin: 0 0 1rem 0;
-  font-size: 1.5rem;
-}
-
-.card p {
-  margin: 0;
-  font-size: 1.25rem;
-  line-height: 1.5;
-}
-
-.logo {
-  height: 1em;
-}
-
-@media (max-width: 600px) {
-  .grid {
-    width: 100%;
-    flex-direction: column;
-  }
-}
diff --git a/styles/global.ts b/styles/global.ts
new file mode 100644
index 0000000..31e7803
--- /dev/null
+++ b/styles/global.ts
@@ -0,0 +1,27 @@
+import { createGlobalStyle } from 'styled-components';
+
+export default createGlobalStyle`
+  * {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+  }
+
+  body {
+    background: ${({ theme }) => theme.colors.background};
+    color: ${({ theme }) => theme.colors.black};
+
+    font-family: 'Roboto',sans-serif;
+    font-size: 1rem;
+    font-weight: 400;
+  }
+
+  input,
+  button {
+    outline: 0;
+  }
+
+  button {
+    cursor: pointer;
+  }
+`;
diff --git a/styles/globals.css b/styles/globals.css
deleted file mode 100644
index e5e2dcc..0000000
--- a/styles/globals.css
+++ /dev/null
@@ -1,16 +0,0 @@
-html,
-body {
-  padding: 0;
-  margin: 0;
-  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
-    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
-}
-
-a {
-  color: inherit;
-  text-decoration: none;
-}
-
-* {
-  box-sizing: border-box;
-}
diff --git a/styles/theme/colors.ts b/styles/theme/colors.ts
new file mode 100644
index 0000000..71b21f1
--- /dev/null
+++ b/styles/theme/colors.ts
@@ -0,0 +1,9 @@
+export const colors = {
+  background: '#055388',
+  white: '#ffffff',
+  black: '#000000',
+  'black-secondary': '#212121',
+  alto: '#dbdbdb',
+  title: '#2e384d',
+  green: 'rgb(81, 215, 100)',
+};
diff --git a/styles/theme/index.ts b/styles/theme/index.ts
new file mode 100644
index 0000000..1b8ef66
--- /dev/null
+++ b/styles/theme/index.ts
@@ -0,0 +1,5 @@
+import { colors } from './colors';
+
+export const theme = {
+  colors,
+};