HTML

Tailwind CSS file input

<label class="block mb-2 text-sm font-medium text-gray-900 dark:text-gray-300" for="file_input">Upload file</label>
<input class="block w-full text-sm text-gray-900 bg-gray-50 rounded-lg border border-gray-300 cursor-pointer dark:text-gray-400 focus:outline-none dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400" id="file_input" type="file">

Tailwind CSS input field

<form>
    <div class="grid gap-6 mb-6 lg:grid-cols-2">
        <div>
            <label for="first_name" class="block mb-2 text-sm font-medium text-gray-900 dark:text-gray-300">First name</label>
            <input type="text" id="first_name" 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-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500" placeholder="John" required>
        </div>
        <div>
            <label for="last_name" class="block mb-2 text-sm font-medium text-gray-900 dark:text-gray-300">Last name</label>
            <input type="text" id="last_name" 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-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500" placeholder="Doe" required>
        </div>
        <div>
            <label for="company" class="block mb-2 text-sm font-medium text-gray-900 dark:text-gray-300">Company</label>
            <input type="text" id="company" 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-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500" placeholder="Flowbite" required>
        </div>  
        <div>
            <label for="phone" class="block mb-2 text-sm font-medium text-gray-900 dark:text-gray-300">Phone number</label>
            <input type="tel" id="phone" 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-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500" placeholder="123-45-678" pattern="[0-9]{3}-[0-9]{2}-[0-9]{3}" required>
        </div>
        <div>
            <label for="website" class="block mb-2 text-sm font-medium text-gray-900 dark:text-gray-300">Website URL</label>
            <input type="url" id="website" 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-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500" placeholder="flowbite.com" required>
        </div>
        <div>
            <label for="visitors" class="block mb-2 text-sm font-medium text-gray-900 dark:text-gray-300">Unique visitors (per month)</label>
            <input type="number" id="visitors" 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-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500" placeholder="" required>
        </div>
    </div>
<div class="mb-6">