.vdr {
  touch-action: none;
  position: absolute;
  box-sizing: border-box;
  border: 1px dashed #d6d6d6;
  .handle {
    box-sizing: border-box;
    position: absolute;
    width: 8px;
    height: 8px;
    background: #ffffff;
    border: 1px solid #333;
    box-shadow: 0 0 2px #bbb;
    &.handle-tl {
      top: -5px;
      left: -5px;
      cursor: nw-resize;
    }
    &.handle-tm {
      top: -5px;
      left: calc(50% - 4px);
      /*margin-left: -5px;*/
      cursor: n-resize;
    }
    &.handle-tr {
      top: -5px;
      right: -5px;
      cursor: ne-resize;
    }
    .handle-ml {
      top: calc(50% - 4px);
      /*margin-top: -5px;*/
      left: -5px;
      cursor: w-resize;
    }
    &.handle-mr {
      top: calc(50% - 4px);
      /*margin-top: -5px;*/
      right: -5px;
      cursor: e-resize;
    }
    &.handle-bl {
      bottom: -5px;
      left: -5px;
      cursor: sw-resize;
    }
    &.handle-bm {
      bottom: -5px;
      left: calc(50% - 4px);
      /*margin-left: -5px;*/
      cursor: s-resize;
    }
    &.handle-br {
      bottom: -5px;
      right: -5px;
      cursor: se-resize;
    }
  }
}
/*handle*/
/*.handle-rot {
  top: 0;
  left: 50%;
  margin-top: -20px;
  margin-left: -1px;
  border-radius: 50%;
  width: 10px;
  height: 10px;
  cursor: grab;
  transform: translate(-50%, 0);
}
.handle-rot:before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  width: 0;
  height: 7px;
  border-left: 1px solid #000000;
  transform: translate(-50%, 0);
}*/
.reference-line {
  position: absolute;
  background-color: rgb(255, 0, 204);
  z-index: 9999;
  &.v-line {
    width: 1px;
  }
  &.h-line {
    height: 1px;
  }
}
@media only screen and (max-width: 768px) {
  [class*='handle-']:before {
    content: '';
    left: -10px;
    right: -10px;
    bottom: -10px;
    top: -10px;
    position: absolute;
  }
}