content: import React from 'react';
  import { Outlet, Link } from 'react-router-dom';
  
  function Layout() {
      const linkStyleClasses = 'text-3xl font-bold no-underline inline-block text-green-600 px-2';
      return (
          <div>
              <nav style={{display: 'flex', textAlign: 'center', justifyContent: 'center'}}>
                  <Link
                      className={linkStyleClasses}
                      to='/'
                  >
                      今日课程
                  </Link>
  
                  <Link
                      className={linkStyleClasses}
                      to='/monthly'>
                      本月课程
                  </Link>
              </nav>
              <Outlet />
          </div>
      );
  }
  
  export default Layout;
  