JSFiddle - React, Tailwind, and code Playground

HTML

<form class="fillform">
  <div>
    <input type="text" placeholder="Your name"/>
    <input type="text" placeholder="E-mail"/>
    <input type="submit"/>
  </div>
</form>

CSS

.fillform{
    position: relative;
    width: 100%;
    height: 33%;
    bottom: 0;
    background: rgba(225, 43, 50, 1.0);
}

.fillform div{
    position: absolute;
    float: left;
    width: 100%;
    height: 200px;
    box-sizing: border-box;
    border: 2px solid rgba(0,0, 255, 1.0);
}

.fillform div input{
    float: left;
    display: inline-block;
    border: 2px solid rgba(255, 0, 0, 1.0);
    box-sizing: border-box;
    vertical-align: middle;
}