website/layouts/404.html

{{ define "main" }}
{{ $error:=(index (where .Site.Params.errors "id" "=" "404") 0)}}
<div class="header-border">
    <div class="container mx-auto error-container">
      <div class="error">
        <div class="error-icon">
          <i class="fa fas fa-exclamation-circle"></i>
        </div>
        <div class="error-content">
          <div>
            <h2 class="error-title">
              {{ $error.title }}
            </h2>
            <p class="error-description">
              {{ $error.description }}
            </p>
          </div>
        </div>
      </div>
    </div>
  </div>
{{ end }}