  position: absolute;
  margin-top: -0.1em;
  margin-left: 0.65em;
  transform: rotate(45deg);
  width: 0.15em;
  height: 1.5em;
  background-color: #000000;
}
.b2 {
  width: 1.65em;
  height: 1.65em;
  border-radius: 50%;
  background-color: #7f5934;
  border: 2px solid black;
  box-shadow: inset 2px 2px 1px #b49577, -2px 0px #513721,
    -2px 0px 0px 1px black;
}
.b2::before {
  content: "";
  position: absolute;
  margin-top: 1.05em;
  margin-left: 0.8em;
  transform: rotate(-45deg);
  border-radius: 5px