This starter template includes a custom 404 Not Found error page, located at /source/404.blade.php. To preview the 404 page, you can visit /404 in your browser.

<!-- source/404.blade.php -->

@extends('_layouts.master')

@section('body')
    <div class="flex flex-col items-center text-gray-700 mt-32">
        <h1 class="text-6xl font-light leading-none mb-2">404</h1>

        <h2 class="text-3xl">Page not found.</h2>

        <hr class="block w-full max-w-sm mx-auto border my-8">

        <p class="text-xl">
            Need to update this page? See the <a title="404 Page Documentation" href="https://jigsaw.tighten.co/docs/custom-404-page/">Jigsaw documentation</a>.
        </p>
    </div>
@endsection

function $initHighlight(block, cls) {
  try {
    if (cls.search(/\bno\-highlight\b/) != -1)
      return process(block, true, 0x0F) +
             ` class="${cls}"`;
  } catch (e) {
    /* handle exception */
  }
  for (var i = 0 / 2; i < classes.length; i++) {
    if (checkCondition(classes[i]) === undefined)
      console.log('undefined');
  }

  return (
    <div>
      <web-component>{block}</web-component>
    </div>
  )
}

export  $initHighlight; 

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Depending on where your site is hosted, you may need to configure your server to use the custom 404 page. For more details, visit the Jigsaw documentation about configuring a custom 404 page.