.custom-vis-layout.circularheatchart svg {
  font-family: "Helvetica Neue", Helvetica;
}
.custom-vis-layout.circularheatchart text {
    fill: #efefef;
    font-size: 12px;
}
.custom-vis-layout.circularheatchart {
    background-color: #242225 ;
}
.custom-vis-layout.circularheatchart .centerLabel {
    font-size: 20px;
    text-anchor : middle;
 }