popup.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Yeah! for Twitter</title>
    <style>
        h1 {
            width: 400px;
        }
        body {
            background-color: white;
            padding-bottom: 10px;
        }
        label > * {
            vertical-align: middle;
        }
        .logo {
            position: relative;
            top: 3px;
            margin-right: 5px;
        }
    </style>
</head>
<body>
    <h1><img src="/images/logo32.png" class="logo" alt="Logo" width="24" height="24">Yeah! for Twitter</h1>
    <div>
        <label>
            <input type="checkbox" id="dontLike"> 
            <span>Don't like tweet on Yeah</span>
        </label>
        <br>
        <br>
        <button id="save">Save</button>
        <button id="clear-token" title="This will make you need to re-authenticate.">Clear account tokens</button>
        <button id="show-popup">Reset popup settings</button>
    </div>
    <script src="/popup.js"></script>
</body>
</html>