<!DOCTYPE html>
<html>
<head>
    <meta content="text/html; charset=utf-8" http-equiv="content-type"/>
    <link rel="stylesheet" href="/bower_components/components-font-awesome/css/font-awesome.min.css">
    <script src="/bower_components/jquery/dist/jquery.min.js"></script>
    <link rel="stylesheet" href="/bower_components/bootstrap/dist/css/bootstrap.min.css">
    <style>
    html, body {
        margin: 0px;
    }
    .cryptpad-toolbar {
        margin-bottom: 1px;
        padding: 0px;
        display: inline-block;
    }
    #file {
        display: block;
        height: 300px;
        width: 300px;
        border: 2px solid black;
        margin: 50px;
    }

    .inputfile {
        width: 0.1px;
        height: 0.1px;
        opacity: 0;
        overflow: hidden;
        position: absolute;
        z-index: -1;
    }
    .inputfile + label {
        border: 2px solid black;
        display: block;
        height: 500px;
        width: 500px;
        background-color: rgba(50, 50, 50, .10);
        margin: 50px;
    }

    .inputfile:focus + label,
    .inputfile + label:hover {
        background-color: rgba(50, 50, 50, 0.30);
    }

    </style>
</head>
<body>
    <div id="toolbar" class="toolbar-container"></div>
    <div id="upload-form" style="display: none;">
        <input type="file" name="file" id="file" class="inputfile" />
        <label for="file">Choose a file</label>
    </div>
</body>
</html>