Customize the textbox background-color and text-color

<div class="control-section">
    <div class="wrap">
        <div class="e-input-group">
            <input class="e-input" type="text" placeholder="First Name" />
        </div>
        <div class="e-float-input">
            <input type="text" required />
            <span class="e-float-line"></span>
            <label class="e-float-text">Last Name</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 () {
            this.parentNode.classList.add('e-input-focus');
        });
        inputElement[i].addEventListener('blur', function () {
            this.parentNode.classList.remove('e-input-focus');
        });
    }
</script>


<style>

    .wrap {
        box-sizing: border-box;
        margin: 0 auto;
        padding: 20px 10px;
        width: 260px;
    }

        .wrap label { /* csslint allow: adjoining-classes */
            font-weight: bold;
        }

        .wrap .e-float-input { /* csslint allow: adjoining-classes */
            margin: 30px 0;
        }

        .wrap .e-input-group { /* csslint allow: adjoining-classes */
            margin: 25px 0;
        }


    /* To change the background-color and text-color for textbox */
    .e-input-group,
    .e-float-input,
    .e-float-input.e-input-group { /* csslint allow: adjoining-classes */
        background: yellow;
        color: green;
    }

        /* To change the border-color of the textbox */
        .e-input-group:not(.e-success):not(.e-warning):not(.e-error):not(.e-float-icon-left),
        .e-input-group:hover:not(.e-success):not(.e-warning):not(.e-error):not(.e-float-icon-left) { /* csslint allow: adjoining-classes */
            border-color: #0800ff;
        }

        /* To change the border-color of the floating-label textbox */
        .e-float-input input,
        .e-float-input:hover:not(.e-input-group):not(.e-success):not(.e-warning):not(.e-error):not(.e-disabled) input:not([disabled]) { /* csslint allow: adjoining-classes */
            border-color: #0800ff;
        }
</style>

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