Change the floating label color of the TextBox

<div class="control-section">
    <div class="control_wrapper accordion-control-section">
        <div class="e-float-input e-input-group e-success">
            <input type='text' required />
            <span class="e-float-line"></span>
            <label class="e-float-text">Success</label>
        </div>
        <div class="e-float-input e-input-group e-warning">
            <input type='text' required />
            <span class="e-float-line"></span>
            <label class="e-float-text">Warning</label>
        </div>
    </div>
</div>

<script>
    ej.base.enableRipple(true);

    // To get the all input fields and its container.

    var inputElement = document.querySelectorAll('.e-input-group .e-input,.e-float-input.e-input-group input');

    // Add 'e-input-focus' class to the input for achive ripple effect when focus on the input field.

    for (var i = 0; i < inputElement.length; i++) {
        inputElement[i].addEventListener('focus', function () {
            var parentElement = this.parentNode;
            if (parentElement.classList.contains('e-input-in-wrap')) {
                parentElement.parentNode.classList.add('e-input-focus');
            } else {
                this.parentNode.classList.add('e-input-focus');
            }
        });
        inputElement[i].addEventListener('blur', function () {
            var parentElement = this.parentNode;
            if (parentElement.classList.contains('e-input-in-wrap')) {
                parentElement.parentNode.classList.remove('e-input-focus');
            } else {
                this.parentNode.classList.remove('e-input-focus');
            }
        });
    }
</script>

<style>
    /* For Success state */
    .e-float-input.e-success label.e-float-text,
    .e-float-input.e-success input:focus ~ label.e-float-text,
    .e-float-input.e-success input:valid ~ label.e-float-text {
        color: #22b24b;
    }

    /* For Warning state */
    .e-float-input.e-warning label.e-float-text,
    .e-float-input.e-warning input:focus ~ label.e-float-text,
    .e-float-input.e-warning input:valid ~ label.e-float-text {
        color: #ffca1c;
    }
</style>

public ActionResult Index()
{
    return View();
}