set 2px 2px 1px #b49577, -2px 0px #513721,
    -2px 0px 0px 1px black;
}
.b1::before {
  content: "";
  position: absolute;
  margin-top: 1em;
  margin-left: 0.5em;
  transform: rotate(47deg);
  border-radius: 5px;
  width: 0.1em;
  height: 0.4em;
  background-color: #000000;
}
.b1::after {
  content: "";
  position: absolute;
  margin-top: 0.9em;
  margin-left: 0.8em;
  transform: rotate(47deg);
  border-radius: 5px;
  width: 0.1em;
  height: 0.55em;
  background-color: #000000;
}
.b1 div {
  content: "";
