HTML

Tailwind CSS Header

<header>
    <nav class="bg-white border-gray-200 px-4 lg:px-6 py-2.5 dark:bg-gray-800">
        <div class="flex flex-wrap justify-between items-center mx-auto max-w-screen-xl">
            <a href="https://flowbite.com" class="flex items-center">
                <img src="https://flowbite.com/docs/images/logo.svg" class="mr-3 h-6 sm:h-9" alt="Flowbite Logo" />
                <span class="self-center text-xl font-semibold whitespace-nowrap dark:text-white">Flowbite</span>
            </a>
            <div class="flex items-center lg:order-2">
                <a href="#" class="text-gray-800 dark:text-white hover:bg-gray-50 focus:ring-4 focus:ring-gray-300 font-medium rounded-lg text-sm px-4 lg:px-5 py-2 lg:py-2.5 mr-2 dark:hover:bg-gray-700 focus:outline-none dark:focus:ring-gray-800">Log in</a>
                <a href="#" class="text-white bg-primary-700 hover:bg-primary-800 focus:ring-4 focus:ring-primary-300 font-medium rounded-lg text-sm px-4 lg:px-5 py-2 lg:py-2.5 mr-2 dark:bg-primary-600 dark:hover:bg-primary-700 focus:outline-none dark:focus:ring-primary-800">Get started</a>
                <button data-collapse-toggle="mobile-menu-2" type="button" class="inline-flex items-center p-2 ml-1 text-sm text-gray-500 rounded-lg lg:hidden hover:bg-gray-100 focus:outline-none focus:ring-2 focus:ring-gray-200 dark:text-gray-400 dark:hover:bg-gray-700 dark:focus:ring-gray-600" aria-controls="mobile-menu-2" aria-expanded="false">
                    <span class="sr-only">Open main menu</span>
                    <svg class="w-6 h-6" fill="currentColor" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" d="M3 5a1 1 0 011-1h12a1 1 0 110 2H4a1 1 0 01-1-1zM3 10a1 1 0 011-1h12a1 1 0 110 2H4a1 1 0 01-1-1zM3 15a1 1 0 011-1h12a1 1 0 110 2H4a1 1 0 01-1-1z" clip-rule="evenodd"></path></svg>
                    <svg class="hidden w-6 h-6" fill="currentColor" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" d="M4.293 4.293a1 1 0 011.414 0L10 8.586l4.293-4.293a1 1 0 111.414 1.414L11.414 10l4.293 4.293a1 1 0 01-1.414 1.414L10 11.414l-4.293 4.293a1 1 0 01-1.414-1.414L8.586 10 4.293 5.707a1 1 0 010-1.414z" clip-rule="evenodd"></path></svg>
                </button>
            </div>
            <div class="hidden justify-between items-center w-full lg:flex lg:w-auto lg:order-1" id="mobile-menu-2">
                <ul class="flex flex-col mt-4 font-medium lg:flex-row lg:space-x-8 lg:mt-0">
                    <li>
                        <a href="#" class="block py-2 pr-4 pl-3 text-white rounded bg-primary-700 lg:bg-transparent lg:text-primary-700 lg:p-0 dark:text-white" aria-current="page">Home</a>
                    </li>
                    <li>
                        <a href="#" class="block py-2 pr-4 pl-3 text-gray-700 border-b border-gray-100 hover:bg-gray-50 lg:hover:bg-transparent lg:border-0 lg:hover:text-primary-700 lg:p-0 dark:text-gray-400 lg:dark:hover:text-white dark:hover:bg-gray-700 dark:hover:text-white lg:dark:hover:bg-transparent dark:border-gray-700">Company</a>
                    </li>
                    <li>
                        <a href="#" class="block py-2 pr-4 pl-3 text-gray-700 border-b border-gray-100 hover:bg-gray-50 lg:hover:bg-transparent lg:border-0 lg:hover:text-primary-700 lg:p-0 dark:text-gray-400 lg:dark:hover:text-white dark:hover:bg-gray-700 dark:hover:text-white lg:dark:hover:bg-transparent dark:border-gray-700">Marketplace</a>
                    </li>
                    <li>
                        <a href="#" class="block py-2 pr-4 pl-3 text-gray-700 border-b border-gray-100 hover:bg-gray-50 lg:hover:bg-transparent lg:border-0 lg:hover:text-primary-700 lg:p-0 dark:text-gray-400 lg:dark:hover:text-white dark:hover:bg-gray-700 dark:hover:text-white lg:dark:hover:bg-transparent dark:border-gray-700">Features</a>
                    </li>
                    <li>
                        <a href="#" class="block py-2 pr-4 pl-3 text-gray-700 border-b border-gray-100 hover:bg-gray-50 lg:hover:bg-transparent lg:border-0 lg:hover:text-primary-700 lg:p-0 dark:text-gray-400 lg:dark:hover:text-white dark:hover:bg-gray-700 dark:hover:text-white lg:dark:hover:bg-transparent dark:border-gray-700">Team</a>
                    </li>
                    <li>
                        <a href="#" class="block py-2 pr-4 pl-3 text-gray-700 border-b border-gray-100 hover:bg-gray-50 lg:hover:bg-transparent lg:border-0 lg:hover:text-primary-700 lg:p-0 dark:text-gray-400 lg:dark:hover:text-white dark:hover:bg-gray-700 dark:hover:text-white lg:dark:hover:bg-transparent dark:border-gray-700">Contact</a>
                    </li>
                </ul>
            </div>
        </div>
    </nav>
</header>

header in tailwind

<header>
  <!-- Navbar -->
  <nav class="navbar navbar-expand-lg shadow-md py-2 bg-white relative flex items-center w-full justify-between">
    <div class="px-6 w-full flex flex-wrap items-center justify-between">
      <div class="flex items-center">
        <button
          class="navbar-toggler border-0 py-3 lg:hidden leading-none text-xl bg-transparent text-gray-600 hover:text-gray-700 focus:text-gray-700 transition-shadow duration-150 ease-in-out mr-2"
          type="button"
          data-bs-toggle="collapse"
          data-bs-target="#navbarSupportedContentY"
          aria-controls="navbarSupportedContentY"
          aria-expanded="false"
          aria-label="Toggle navigation"
        >
          <svg
            aria-hidden="true"
            focusable="false"
            data-prefix="fas"
            class="w-5"
            role="img"
            xmlns="http://www.w3.org/2000/svg"
            viewBox="0 0 448 512"
          >
            <path
              fill="currentColor"
              d="M16 132h416c8.837 0 16-7.163 16-16V76c0-8.837-7.163-16-16-16H16C7.163 60 0 67.163 0 76v40c0 8.837 7.163 16 16 16zm0 160h416c8.837 0 16-7.163 16-16v-40c0-8.837-7.163-16-16-16H16c-8.837 0-16 7.163-16 16v40c0 8.837 7.163 16 16 16zm0 160h416c8.837 0 16-7.163 16-16v-40c0-8.837-7.163-16-16-16H16c-8.837 0-16 7.163-16 16v40c0 8.837 7.163 16 16 16z"
            ></path>
          </svg>
        </button>
      </div>
      <div class="navbar-collapse collapse grow items-center" id="navbarSupportedContentY">
        <ul class="navbar-nav mr-auto lg:flex lg:flex-row">
          <li class="nav-item">
            <a class="nav-link block pr-2 lg:px-2 py-2 text-gray-600 hover:text-gray-700 focus:text-gray-700 transition duration-150 ease-in-out" href="#!" data-mdb-ripple="true" data-mdb-ripple-color="light">Home</a>
          </li>
          <li class="nav-item">
            <a class="nav-link block pr-2 lg:px-2 py-2 text-gray-600 hover:text-gray-700 focus:text-gray-700 transition duration-150 ease-in-out" href="#!" data-mdb-ripple="true" data-mdb-ripple-color="light">Features</a>
          </li>
          <li class="nav-item">
            <a class="nav-link block pr-2 lg:px-2 py-2 text-gray-600 hover:text-gray-700 focus:text-gray-700 transition duration-150 ease-in-out" href="#!" data-mdb-ripple="true" data-mdb-ripple-color="light">Pricing</a>
          </li>
          <li class="nav-item mb-2 lg:mb-0">
            <a class="nav-link block pr-2 lg:px-2 py-2 text-gray-600 hover:text-gray-700 focus:text-gray-700 transition duration-150 ease-in-out" href="#!" data-mdb-ripple="true" data-mdb-ripple-color="light">About</a>
          </li>
        </ul>
      </div>
    </div>
  </nav>
  <!-- Navbar -->

  <!-- Jumbotron -->
  <div class="text-center bg-gray-50 text-gray-800 py-20 px-6">
    <h1 class="text-5xl font-bold mt-0 mb-6">Heading</h1>
    <h3 class="text-3xl font-bold mb-8">Subeading</h3>
    <a class="inline-block px-6 py-2.5 bg-blue-600 text-white font-medium text-xs leading-tight uppercase rounded shadow-md hover:bg-blue-700 hover:shadow-lg focus:bg-blue-700 focus:shadow-lg focus:outline-none focus:ring-0 active:bg-blue-800 active:shadow-lg transition duration-150 ease-in-out" data-mdb-ripple="true" data-mdb-ripple-color="light" href="#!" role="button">Get started</a>
  </div>
  <!-- Jumbotron -->
</header>