Refactor stylesheets

app/javascript/components/Board/index.tsx

@@ -0,0 +1,31 @@
+import * as React from 'react';
+
+import NewPost from './NewPost';
+import PostList from './PostList';
+
+import IBoard from '../../interfaces/IBoard';
+
+import '../../stylesheets/components/Board.scss';
+
+interface Props {
+  board: IBoard;
+  isLoggedIn: boolean;
+  authenticityToken: string;
+}
+
+class Board extends React.Component<Props> {
+  render() {
+    const { board, isLoggedIn, authenticityToken } = this.props;
+
+    return (
+      <div className="boardContainer">
+        <div className="sidebar">
+          <NewPost board={board} isLoggedIn={isLoggedIn} authenticityToken={authenticityToken} />
+        </div>
+        <PostList board={board} />
+      </div>
+    );
+  }
+}
+
+export default Board;