HTML

modal tailwind css

<!-- Modal toggle -->
<button class="block text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center dark:bg-blue-600 dark:hover:bg-blue-700 dark:focus:ring-blue-800" type="button" data-modal-toggle="authentication-modal">
  Toggle modal
</button>

<!-- Main modal -->
<div id="authentication-modal" tabindex="-1" aria-hidden="true" class="hidden overflow-y-auto overflow-x-hidden fixed top-0 right-0 left-0 z-50 w-full md:inset-0 h-modal md:h-full">
    <div class="relative p-4 w-full max-w-md h-full md:h-auto">
        <!-- Modal content -->
        <div class="relative bg-white rounded-lg shadow dark:bg-gray-700">
            <button type="button" class="absolute top-3 right-2.5 text-gray-400 bg-transparent hover:bg-gray-200 hover:text-gray-900 rounded-lg text-sm p-1.5 ml-auto inline-flex items-center dark:hover:bg-gray-800 dark:hover:text-white" data-modal-toggle="authentication-modal">
                <svg class="w-5 h-5" 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 class="py-6 px-6 lg:px-8">
                <h3 class="mb-4 text-xl font-medium text-gray-900 dark:text-white">Sign in to our platform</h3>
                <form class="space-y-6" action="#">
                    <div>
                        <label for="email" class="block mb-2 text-sm font-medium text-gray-900 dark:text-gray-300">Your email</label>
                        <input type="email" name="email" id="email" class="bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded-lg focus:ring-blue-500 focus:border-blue-500 block w-full p-2.5 dark:bg-gray-600 dark:border-gray-500 dark:placeholder-gray-400 dark:text-white" placeholder="name@company.com" required>
                    </div>
                    <div>
                        <label for="password" class="block mb-2 text-sm font-medium text-gray-900 dark:text-gray-300">Your password</label>
                        <input type="password" name="password" id="password" placeholder="••••••••" class="bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded-lg focus:ring-blue-500 focus:border-blue-500 block w-full p-2.5 dark:bg-gray-600 dark:border-gray-500 dark:placeholder-gray-400 dark:text-white" required>
                    </div>
                    <div class="flex justify-between">
                        <div class="flex items-start">
                            <div class="flex items-center h-5">
                                <input id="remember" type="checkbox" value="" class="w-4 h-4 bg-gray-50 rounded border border-gray-300 focus:ring-3 focus:ring-blue-300 dark:bg-gray-600 dark:border-gray-500 dark:focus:ring-blue-600 dark:ring-offset-gray-800" required>
                            </div>
                            <label for="remember" class="ml-2 text-sm font-medium text-gray-900 dark:text-gray-300">Remember me</label>
                        </div>
                        <a href="#" class="text-sm text-blue-700 hover:underline dark:text-blue-500">Lost Password?</a>
                    </div>
                    <button type="submit" class="w-full text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center dark:bg-blue-600 dark:hover:bg-blue-700 dark:focus:ring-blue-800">Login to your account</button>
                    <div class="text-sm font-medium text-gray-500 dark:text-gray-300">
                        Not registered? <a href="#" class="text-blue-700 hover:underline dark:text-blue-500">Create account</a>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>