polygon {
    stroke: none;
    fill-opacity: 0.5;
    stroke-linejoin: round;
    stroke-linecap: butt;
    position: relative;
    z-index: 1;
}

    polygon.setting:hover {
        stroke-width: 0.02px;
        stroke: red;
        cursor: pointer;
    }

    polygon.setting:active {
        fill-opacity: 0.7;
        stroke-width: 0.02px;
        stroke: green;
        cursor: pointer;
    }

    polygon.setting.active {
        fill-opacity: 0.7;
        stroke-width: 0.02px;
        stroke: green;
        cursor: pointer;
        z-index: 2;
    }