.paper {
    margin: 50px auto;
    width: 720px;

    padding: 20px;
    box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
}
#map {
    margin-bottom: 50px;
    height: 450px;
    border: 1px solid silver;
}

#map2 {
    margin-bottom: 50px;
    height: 450px;
    border: 1px solid silver;
}

#map3 {
    margin-bottom: 50px;
    height: 450px;
    border: 1px solid silver;
}


pre {
    background-color: #d5d5d5;
    padding: 20px;
    margin: 0 0 20px 0;

}