text: import React, { Component } from "react";
  import { Navbar, Nav } from "react-bootstrap";
  
  import "./style.css";
  
  export default class index extends Component {
    render() {
      return (
        <>
          <Navbar collapseOnSelect expand="lg" variant="dark" id="mainNav">
            <Navbar.Brand href="/">
              <h4>Google Books</h4>
            </Navbar.Brand>
            <Navbar.Toggle aria-controls="responsive-navbar-nav" />
            <Navbar.Collapse id="responsive-navbar-nav">
              <Nav className="mr-auto">
                <Nav.Link href="/" style={{ fontSize: "20px" }}>
                  Search
                </Nav.Link>
                <Nav.Link href="/saved" style={{ fontSize: "20px" }}>
                  Saved
                </Nav.Link>
              </Nav>
            </Navbar.Collapse>
          </Navbar>
        </>
      );
    }
  }
  