Add iOS Dark Mode

src/components/Modal.tsx

@@ -1,24 +1,23 @@
 import React from 'react';
 import styled from 'styled-components/native';
 import { SafeAreaView } from 'react-native';
+import { colors } from './Colors';
 
 const Background = styled.View`
-    background-color: #eeeeeeee;
     padding: 100px 25px;
     flex: 1;
 `;
 
 const Container = styled.View`
-    background-color: white;
     border-radius: 20px;
     flex: 1;
 `;
 
 const Modal: React.FC = ({ children }) => {
     return (
-        <Background>
-            <SafeAreaView style={{ flex: 1}}>
-                <Container>
+        <Background style={colors.modal}>
+            <SafeAreaView style={{ flex: 1 }}>
+                <Container style={colors.view}>
                     {children}
                 </Container>
             </SafeAreaView>