JSFiddle - React, Tailwind, and code Playground

HTML

<div class="form">
    <input type="text" required="required">
    <label>Name</label>  
    <br>
    <input type="text" required="required">
    <label>Email</label>    
    <br>
    <input type="text" required="required">
    <label>Street</label>    
    <br>
</div>

CSS

input {
    margin-bottom: 10px;
    width: 200px;
    height: 20px;
    padding: 0 10px;
    font-size: 14px;
}

input + label {
    position: relative;
    left: -216px;
    color: #999;
    font-size: 14px;
}
input:invalid + label { 
    display: inline-block; 
}
input:valid + label { 
    display: none; 
}