body {
            font-family: Arial;
            padding: 20px;
        }

        #myDiv {
            background-color: #f2f2f2;
            padding: 15px;
            margin-top: 10px;
            border-radius: 5px;
        }

        button {
            margin: 5px;
            padding: 8px 15px;
            cursor: pointer;
        }