.symbol {
  display: inline-block;
  border-radius: 50%;
  border: 5px double white;
  width: 30px;
  height: 30px;
}

.symbol-empty {
  background-color: #ccc;
}

.symbol-filled {
  background-color: black;
}
.active-color{ color:#fece3c}
.inactive-color{ color:#6c6962}