JSFiddle - React, Tailwind, and code Playground

HTML

<form>
    <label><input type="file"></label>
    <label><input id="styled" type="file"></label>
</form>

CSS

#styled{
    outline: 0;
}

#styled::-webkit-file-upload-button{
    -webkit-appearance: none;
    padding: 10px 15px;
    background-color: #2196F3;
    color: #fff;
    border: 0;
    border-radius: 4px;
}