body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    margin-top: 20px;
}

#map-container {
    margin-top: 20px;
    width: 700px;
    height: 700px;
    border: 1px solid #ccc;
    overflow: hidden;
    position: relative;
}

#metro-map {
    transform-origin: center center;
    transition: transform 0.2s ease-out;
}