JSFiddle - React, Tailwind, and code Playground

HTML

<label class="add-photo-btn">
        upload
        <span>
            <input type="file" id="myfile" name="myfile" />
        </span>
</label>

CSS

input[type="file"]{
    z-index: 999;
    line-height: 0;
    font-size: 50px;
    position: absolute;
    opacity: 0;
    filter: alpha(opacity = 0);-ms-filter: "alpha(opacity=0)";
    cursor: pointer;
    _cursor: hand;
    margin: 0;
    padding:0;
    left:0;
}

.add-photo-btn{
    position:relative;
    overflow:hidden;
    cursor:pointer;
    text-align:center;
    background-color:#83b81a;
    color:#fff;display:block;
    width:197px;
    height:31px;
    font-size:18px;
    line-height:30px;
    float:left;
}