fix scroll bar missing

Author: shreystechtips

src/components/header.js

@@ -1,7 +1,6 @@
 import { Link } from "gatsby";
 import PropTypes from "prop-types";
 import React from "react";
-import "./scroll.css";
 import { useStaticQuery, graphql } from "gatsby";
 import {
 	AppBar,

src/components/scroll.css

@@ -1,7 +1,7 @@
 import React from "react";
 import Helmet from "react-helmet";
 import Layout from "../components/layout";
-import { makeStyles } from "@material-ui/core";
+import { graphql } from "gatsby";
 require(`katex/dist/katex.min.css`);
 
 export default function Template({ data }) {