remove react-responsive-grid

src/layouts/index.js

@@ -1,6 +1,5 @@
 import React from 'react'
 import Link from 'gatsby-link'
-import { Container } from 'react-responsive-grid'
 
 import { rhythm, scale } from '../utils/typography'
 
@@ -58,15 +57,17 @@ class Template extends React.Component {
       )
     }
     return (
-      <Container
+      <div
         style={{
+          marginLeft: 'auto',
+          marginRight: 'auto',
           maxWidth: rhythm(24),
           padding: `${rhythm(1.5)} ${rhythm(3 / 4)}`,
         }}
       >
         {header}
         {children()}
-      </Container>
+      </div>
     )
   }
 }