.mapdiv{
    width: 50%;
    margin: auto;
}

.mapdiv path {
    stroke: #000000;
    stroke-width: 2px;
    transition: fill 0.3s;
}

.mapdiv rect {
    display:inline;
    stroke:#000000;
    stroke-width: 2px;
    stroke-miterlimit:10;
    stroke-dasharray:none;
    stroke-opacity:1;
    transition: fill 0.3s;
}

.mapdiv :hover {
    fill: black;
}