.facetwp-color {
  display: inline-block;
  margin: 0 3.5px 0;
  box-shadow: 0 0 2px #ccc;
          width: 35px;
          height: 35px;
  border-radius: 50px;
  cursor: pointer;
}

.facetwp-color.checked::after {
  content: '';
  position: absolute;
  border: 2px solid #fff;
  border-top: 0;
  border-right: 0;
  width: 16px;
  height: 6px;
  transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  margin: 13px 0 0 10px;
}