body {
    background-color: rgb(212, 218, 219);
}

.mapdiv {
    width: 28%;
    margin: auto;
}

.mapdiv path {
    fill: #4682B4;
    stroke: #0a0a0a;
    stroke-width: 6px;
    transition: fill 0.3s;
}

.mapdiv :hover {
    fill: #808080;
}