HTML

Tailwind CSS search bar

<form>   
    <label for="default-search" class="mb-2 text-sm font-medium text-gray-900 sr-only dark:text-gray-300">Search</label>
    <div class="relative">
        <div class="flex absolute inset-y-0 left-0 items-center pl-3 pointer-events-none">
            <svg class="w-5 h-5 text-gray-500 dark:text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"></path></svg>
        </div>
        <input type="search" id="default-search" class="block p-4 pl-10 w-full text-sm text-gray-900 bg-gray-50 rounded-lg border border-gray-300 focus:ring-blue-500 focus:border-blue-500 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500" placeholder="Search Mockups, Logos..." required>
        <button type="submit" class="text-white absolute right-2.5 bottom-2.5 bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-4 py-2 dark:bg-blue-600 dark:hover:bg-blue-700 dark:focus:ring-blue-800">Search</button>
    </div>
</form>

tailwind search bar

     <div class="pt-2 relative mx-auto text-gray-600">
        <input class="border-2 border-gray-300 bg-white h-10 px-5 pr-16 rounded-lg text-sm focus:outline-none"
          type="search" name="search" placeholder="Search">
        <button type="submit" class="absolute right-0 top-0 mt-5 mr-4">
          <svg class="text-gray-600 h-4 w-4 fill-current" xmlns="http://www.w3.org/2000/svg"
            xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="Capa_1" x="0px" y="0px"
            viewBox="0 0 56.966 56.966" style="enable-background:new 0 0 56.966 56.966;" xml:space="preserve"
            width="512px" height="512px">
            <path
              d="M55.146,51.887L41.588,37.786c3.486-4.144,5.396-9.358,5.396-14.786c0-12.682-10.318-23-23-23s-23,10.318-23,23  s10.318,23,23,23c4.761,0,9.298-1.436,13.177-4.162l13.661,14.208c0.571,0.593,1.339,0.92,2.162,0.92  c0.779,0,1.518-0.297,2.079-0.837C56.255,54.982,56.293,53.08,55.146,51.887z M23.984,6c9.374,0,17,7.626,17,17s-7.626,17-17,17  s-17-7.626-17-17S14.61,6,23.984,6z" />
          </svg>
        </button>
      </div>