JSFiddle - React, Tailwind, and code Playground

HTML

<div id="file-upload-cont">
    <input id="original" type="file"/>
    <div id="my-button">Find</div>
    <input id="overlay"/>
</div>

CSS

#my-button{
    position: absolute;
    border: 1px solid black;
    background: green;
    padding 3px;
    width: 50px;
    height: 25px;
    text-align: center;
    left: 148px;
    top: 0px;
    z-index: 1;
}

#file-upload-cont{
    position: relative;
}

#overlay{
 position: absolute;
 z-index: 1;
left: 0;    
}

#original{
    opacity: 0;
    position: relative;
    z-index: 100;
}