.legend .grey{
    background-color: grey;
    border-radius: 0%;
    width: 3.2vw;
    margin-top: 2.8%;
    height: 0.35vw;
    border: 0vw solid grey;
}

.legend .black {
    background-color: black;
    border-radius: 0%;
    width: 3.2vw;
    margin-top: 2.8%;
    height: 0.35vw;
    border: 0vw solid grey;
}

.legend .blue {
    background-color: #007bff;
    border-radius: 0%;
    width: 3.2vw;
    margin-top: 2.8%;
    height: 0.35vw;
    border: 0vw solid grey;

}

.legend .SubLegend {
    text-align:center;
}

.legend { list-style: none; }
.legend li { padding-bottom : 1.5vw; width: 20vw; }
.legend span { border: 0.1vw solid black; float: left; border-radius: 50%;}