Bootstrap CSS class .form-floating

    <div class="form-floating mb-3">
        <input type="email" class="form-control" id="floatingInput" placeholder="Enter your e-mail">
        <label for="floatingInput">Enter your e-mail</label>
    </div>
    <div class="form-floating">
        <input type="password" class="form-control" id="floatingPassword" placeholder="Password">
        <label for="floatingPassword">Password</label>
    </div>