JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <input type="file" />
    <button type="button">Browse...</button>
</div>

CSS

div {
    width: 250px;
    border: 1px solid #333;
    position: relative;
    overflow: hidden;   
}

input {
    width: 150px;
    height: 70px;
    font-size:70px;
    position: absolute;
    right: 0;
    top: 0;
    opacity: .6;
}

button {
    width: 150px;
    height: 70px;
    border: 2px solid #111;
    background: #ccc;
    float: right;   
}