@arrowWidth: 10px;
.fe-tips {
  display: inline-block;
}
.fe-tips-pop-arrow-top-related {
  position: absolute;
  content: "";
  bottom: -(@arrowWidth / 2);
  width: @arrowWidth;
  height: @arrowWidth;
  transform: rotateZ(45deg);
  margin-left: -(@arrowWidth / 2);
}
.fe-tips-pop-arrow-top {
  .fe-tips-pop-arrow-top-related();
  left: 50%;
}
.fe-tips-pop-arrow-topleft {
  .fe-tips-pop-arrow-top-related();
  left: @arrowWidth * 2;
}
.fe-tips-pop-arrow-topright {
  .fe-tips-pop-arrow-top-related();
  right: @arrowWidth * 2;
}

.fe-tips-pop-arrow-right-related {
  position: absolute;
  content: "";
  left: -(@arrowWidth / 2);
  width: @arrowWidth;
  height: @arrowWidth;
  transform: rotateZ(45deg);
}
.fe-tips-pop-arrow-right {
  .fe-tips-pop-arrow-right-related();
  top: 50%;
  margin-top: -@arrowWidth / 2;
}
.fe-tips-pop-arrow-righttop {
  .fe-tips-pop-arrow-right-related();
  top: @arrowWidth;
}
.fe-tips-pop-arrow-rightbottom {
  .fe-tips-pop-arrow-right-related();
  bottom: @arrowWidth;
}

.fe-tips-pop-arrow-bottom-related {
  position: absolute;
  content: "";
  top: -(@arrowWidth / 2);
  width: @arrowWidth;
  height: @arrowWidth;
  transform: rotateZ(45deg);
  margin-left: -(@arrowWidth / 2);
}
.fe-tips-pop-arrow-bottom {
  .fe-tips-pop-arrow-bottom-related();
  left: 50%;
}
.fe-tips-pop-arrow-bottomleft {
  .fe-tips-pop-arrow-bottom-related();
  left: @arrowWidth * 2;
}
.fe-tips-pop-arrow-bottomright {
  .fe-tips-pop-arrow-bottom-related();
  right: @arrowWidth * 2;
}

.fe-tips-pop-arrow-left-related {
  position: absolute;
  content: "";
  right: -(@arrowWidth / 2);
  width: @arrowWidth;
  height: @arrowWidth;
  transform: rotateZ(45deg);
}
.fe-tips-pop-arrow-left {
  .fe-tips-pop-arrow-left-related();
  top: 50%;
  margin-top: -@arrowWidth / 2;
}
.fe-tips-pop-arrow-lefttop {
  .fe-tips-pop-arrow-left-related();
  top: @arrowWidth;
}
.fe-tips-pop-arrow-leftbottom {
  .fe-tips-pop-arrow-left-related();
  bottom: @arrowWidth;
}