index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>FLAC Metadata editor</title>
    <script src="./FLACMetadataEditor.js"></script>
    <script src="./index.js"></script>
    <style>
        * {
            font-family: monospace;
        }
        #drop {
            border: 5px dashed gold;
            padding: 10px;
            user-select: none;
            cursor: default;
        }
        html {
            position: absolute;
            width: 100%;
            min-height: 100%;
        }
        #drop, html {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        #down_button {
            margin-left: 2em;
            cursor: pointer;
        }
        #drop_text {
            margin-left: 2em;
        }
        .hidden {
            display: none;
        }
        #meta_table, #images {
            width: 100%;
            border: 1px dashed darkslateblue;
        }
        .image {
            float: left;
        }
        .image::before {
            content: ' ';
            clear: both;
        }
        .image img {
            height: 128px;
        }
        .remove_image {
            position: relative;
            left: -1em;
            background-color: gainsboro;
            width: 2em !important;
            height: 2em;
            top: calc(-128px + 1em + 2px);
            padding: 3px;
            cursor: pointer;
        }
        #copy {
            position: fixed;
            top: 20px;
            left: 20px;
            font-size: x-large;
        }
        input {
            width: 99%;
        }
    </style>
</head>
<body>
    <div id="drop">
        <button id="openfile_button">Open</button>
        <span id="drop_text">Drop FLAC file on this page</span>
        <button id="down_button" class="hidden">Download</button>
    </div>
    <br>
    <div id="images" class="hidden">
        <!--<span id="images_text">Drop images on this page</span>-->
    </div>
    <br>
    <table id="meta_table" class="hidden">
        <tbody>
            <tr>
                <td>Field</td>
                <td>Value</td>
                <td><button id="add_row_button">+</button></td>
            </tr>
        </tbody>
    </table>
    <span id="copy">© AHOHNMYC, 2018</span>
</body>
</html>