JSFiddle - React, Tailwind, and code Playground

HTML

<div class="contact">


<form class="contact-form">
                <div class="input label-name">
                    <input><span>Your name</span>
                </div>
                <div class="input label-email">
                    <input><span>Your e-mail</span>
                </div>                   
            </form>
            
            
</div>

CSS

.contact .contact-form {
    margin: 0 auto;
    margin-top: 8vh;
    width: 70vw;
}

.contact .input {
    display: inline-block;
    position: relative;
    border-bottom:1px solid red;
}

.contact .input input {
    position: relative;
    z-index: 1000;
    background: none;
    border: 0;
}

.contact .input span {
    z-index: 500;
    position: absolute;
    left:0;
    -webkit-transition: all 0.5s cubic-bezier(.25, .1, .25, 1);
    -moz-transition: all 0.5s cubic-bezier(.25, .1, .25, 1);
    -o-transition: all 0.5s cubic-bezier(.25, .1, .25, 1);
    transition: all 0.5s cubic-bezier(.25, .1, .25, 1);
}

.active--input {
    top:-5vh;
}

JavaScript

$(document).ready(function () {
    $( ".input" ).children('input').focus(function() {
        $(this).parent().children('span').addClass('active--input')
    });
    $( ".input" ).children('input').blur(function() {
        $(this).parent().children('span').removeClass('active--input')
    });
});