Detail Page Side Nav

<div style="background-color: white" class="overflow-auto">
  <!-- Masthead -->
  <sgds-masthead fluid></sgds-masthead>
  <!-- Main Nav component -->
   <nav class="sgds navbar navbar-expand-lg">
      <a class="navbar-brand" href="#">
        <img
          src="https://www.developer.tech.gov.sg/assets/img/logo_color.svg"
          alt="Home"
        />
      </a>
      <button
        class="navbar-toggler"
        type="button"
        data-bs-toggle="collapse"
        data-bs-target="#navbarNav"
        aria-controls="navbarNav"
        aria-expanded="false"
        aria-label="Toggle navigation"
      >
        <i class="bi bi-list"></i>
      </button>
      <div class="collapse navbar-collapse" id="navbarNav">
        <ul class="navbar-nav ms-auto">
          <li class="nav-item">
            <a class="nav-link active" aria-current="page" href="#">About</a>
          </li>
          <li class="nav-item">
            <a class="nav-link" href="#">Components</a>
          </li>
          <li class="nav-item">
            <a class="nav-link" href="#">Patterns</a>
          </li>
          <li class="nav-item">
            <a class="nav-link" href="#">Templates</a>
          </li>
          <li class="nav-item sgds dropdown">
            <a
              class="nav-link sgds dropdown-toggle"
              href="#"
              id="navbarDropdown"
              role="button"
              data-bs-toggle="dropdown"
              aria-expanded="false"
            >
              Theme customiser<i class="bi bi-chevron-down"></i>
            </a>
            <ul class="dropdown-menu" aria-labelledby="navbarDropdown">
              <li><a class="dropdown-item" href="#">Option 1</a></li>
              <li><a class="dropdown-item active" href="#">Option 2</a></li>
              <li><a class="dropdown-item" href="#">Option 3</a></li>
              <li><a class="dropdown-item" href="#">Option 4</a></li>
            </ul>
          </li>
          <li class="nav-item align-self-center d-none d-lg-block h-100">
            <a class="nav-link" href="#"><i class="bi bi-search"></i></a>
          </li>
          <li class="nav-item align-self-center d-none d-lg-block h-100">
            <a class="nav-link" href="#"
              ><i class="bi bi-grid-3x3-gap-fill"></i
            ></a>
          </li>
        </ul>
      </div>
  </nav>
  <sgds-template-grid class="with-sidenav">
    <sgds-aside-area>
      <!-- Side Nav component -->
      <nav class="sidenav sgds list-unstyled open2">
        <li class="sidenav-item">
          <button class="sgds btn collapsed active" type="button" data-bs-toggle="collapse"
            data-bs-target="#collapseExampleD" aria-expanded="false" aria-controls="collapseExampleD">
            Sub menu
            <i class="bi bi-chevron-down"></i>
          </button>
          <div class="collapse show" id="collapseExampleD" data-bs-parent=".open2">
            <ul class="list-unstyled">
              <li><a href="#" class="nav-link">Sub menu item</a></li>
              <li><a href="#" class="nav-link active">Sub menu item</a></li>
              <li><a href="#" class="nav-link">Sub menu item</a></li>
            </ul>
          </div>
        </li>
        <li class="sidenav-item">
          <button class="sgds btn collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseExampleE"
            aria-expanded="false" aria-controls="collapseExampleE">
            Sub menu
            <i class="bi bi-chevron-down"></i>
          </button>
          <div class="collapse" id="collapseExampleE" data-bs-parent=".open2">
            <ul class="list-unstyled">
              <li><a href="#" class="nav-link">Sub menu item</a></li>
              <li><a href="#" class="nav-link">Sub menu item</a></li>
              <li><a href="#" class="nav-link">Sub menu item</a></li>
            </ul>
          </div>
        </li>
        <li class="sidenav-item">
          <button class="sgds btn collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseExampleF"
            aria-expanded="false" aria-controls="collapseExampleF">
            Sub menu
            <i class="bi bi-chevron-down"></i>
          </button>
          <div class="collapse" id="collapseExampleF" data-bs-parent=".open2">
            <ul class="list-unstyled">
              <li><a href="#" class="nav-link">Sub menu item</a></li>
              <li><a href="#" class="nav-link">Sub menu item</a></li>
              <li><a href="#" class="nav-link">Sub menu item</a></li>
            </ul>
          </div>
        </li>
      </nav>
    </sgds-aside-area>
    <sgds-content-area>
          <!-- Breadcrumb component -->
          <nav class="sgds" aria-label="breadcrumb">
            <ol class="breadcrumb">
              <li class="breadcrumb-item"><a href="#">Home</a></li>
              <li class="breadcrumb-item"><a href="#">Library</a></li>
              <li class="breadcrumb-item active" aria-current="page">Data</li>
            </ol>
          </nav>
        <sgds-content-header-top>
          <!-- Content section -->
          <h2>Page heading</h2>
        </sgds-content-header-top>
        <sgds-content-body>
          <div>
            <p>
              Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod
              tempor incididunt ut labore et dolore magna aliqua.
            </p>
            <h4>Overview</h4>
            <p>
              Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod
              tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim
              veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea
              commodo consequat. Duis aute irure dolor in reprehenderit in voluptate
              velit esse cillum dolore eu fugiat nulla pariatur.
            </p>
          </div>
        </sgds-content-body>
    </sgds-content-area>


  </sgds-template-grid>
  <!-- </div> -->
  <!-- Footer component -->
  <footer class="sgds footer">
    <section class="footer-top">
      <div class="container-fluid">
        <div class="row footer-header">
          <div class="col col-lg-6">
            <div class="title">Singapore Government Design System</div>
            <div class="description">
              Lorem ipsum, dolor sit amet consectetur adipisicing elit. Earum
              illo delectus laborum libero id ratione quibusdam tempora
              assumenda quas, pariatur cum minus, aliquid molestiae et nisi
              dolorem vitae molestias! Voluptate commodi aliquid iusto sequi sit
              eligendi, quod numquam nihil consectetur eaque error earum
              laudantium! Temporibus accusamus pariatur quod totam quia.
            </div>
          </div>
        </div>
        <div class="row footer-items">
          <div class="col-lg-3">
            <div class="title">Column 1</div>
            <ul class="links">
              <li><a href="">About Us</a></li>
              <li><a href="">This is a super long link</a></li>
              <li><a href="">Test</a></li>
              <li><a href="">Test</a></li>
            </ul>
          </div>
          <div class="col-lg-3">
            <div class="title">Category 1</div>
            <ul class="links">
              <li><a href="">About Us</a></li>
              <li><a href="">This is a super long link</a></li>
              <li><a href="">Test</a></li>
              <li><a href="">Test</a></li>
            </ul>
          </div>
          <div class="col-lg-3">
            <div class="title">Category 1</div>
            <ul class="links">
              <li><a href="">About Us</a></li>
              <li><a href="">This is a super long link</a></li>
              <li><a href="">Test</a></li>
              <li><a href="">Test</a></li>
            </ul>
          </div>
        </div>
        <div class="row footer-contact-links">
          <div class="col">
            <div class="d-flex justify-content-lg-end">
              <ul>
                <li><a href="">Contact</a></li>
                <li><a href="">Feedback</a></li>
                <li>
                  <a
                    href="https://www.reach.gov.sg/"
                    target="_blank"
                    rel="noopener noreferrer"
                    >Reach.gov.sg</a
                  >
                </li>
              </ul>
            </div>
          </div>
        </div>
      </div>
    </section>
    <section class="footer-bottom">
      <div class="container-fluid">
        <div class="row footer-mandatory-links">
          <div class="col">
            <ul>
              <li>
                <a
                  href="https://tech.gov.sg/report_vulnerability"
                  target="_blank"
                  rel="noopener noreferrer"
                  >Report Vulnerability</a
                >
              </li>
              <li><a href="">Privacy</a></li>
              <li><a href="">Terms of use</a></li>
            </ul>
          </div>
        </div>
        <div class="row footer-copyrights">
          <div class="col">
            <div class="d-flex justify-content-lg-end">
              © 2022 Government of Singapore. Last Updated 08 Feb 2022
            </div>
          </div>
        </div>
      </div>
    </section>
  </footer>

</div>