#map {
            width: 100%;
            height: 500px;
        }
        .panel {
            padding: 10px;
            background: #fff;
            border-radius: 5px;
            box-shadow: 0 1px 5px rgba(0,0,0,0.2);
            margin-bottom: 10px;
        }
        button {
            padding: 5px 10px;
            margin: 5px 0;
            cursor: pointer;
        }