.rul_cornerTL,
.rul_cornerTR {
  border-bottom: 1px solid rgba(206, 219, 236, 0.5);
}
.rul_cornerBL,
.rul_cornerTL {
  border-right: 1px solid rgba(206, 219, 236, 0.5);
}
.rul_cornerBL,
.rul_cornerBR {
  bottom: 1px;
  border-top: 1px solid rgba(206, 219, 236, 0.5);
}
.rul_cornerBR,
.rul_cornerTR {
  right: 1px;
  border-left: 1px solid rgba(206, 219, 236, 0.5);
}
.rul_wrapper {
  position: absolute;
  height: 100%;
  width: 100%;
  overflow: hidden;
  pointer-events: none;
}
.rul_corner,
.rul_line,
.rul_ruler {
  pointer-events: all;
  position: absolute;
}
.rul_wrapper * {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -o-user-select: none;
  user-select: none;
}
.rul_ruler {
  display: block;
  border: 1px solid rgba(206, 219, 236, 0.5);
  filter: blur(0);
  -webkit-filter: blur(0);
  z-index: 1000;
}
.rul_corner {
  background-color: #fff;
  z-index: 1010;
  cursor: pointer;
}
.rul_corner:hover {
  background-color: #d3d3d3;
}
.rul_cornerTL {
  top: 0;
  left: 0;
}
.rul_cornerTR {
  top: 1px;
}
.rul_cornerBL {
  left: 1px;
}
.rul_ruler_Vertical {
  cursor: ew-resize;
  border-left: none;
}
.rul_ruler_Horizontal {
  cursor: ns-resize;
  border-top: none;
}
.rul_line {
  color: transparent;
  background-color: transparent;
  border-bottom: 1px solid #3bb7c7;
  border-left: 1px solid #3bb7c7;
  z-index: 1000;
}
.rul_line_dragged {
  border: 1px dotted #6b7587;
}
.rul_line:hover {
  border-bottom: 1px solid #236e77;
  border-left: 1px solid #236e77;
}
.rul_lineVer {
  top: 0;
  bottom: 0;
}
.rul_lineVer:hover {
  cursor: ew-resize;
}
.rul_lineHor {
  right: 0;
  left: 0;
}
.rul_lineHor:hover {
  cursor: ns-resize;
}
.rul_tooltip:after {
  background: #fff;
  color: #000;
  border: 1px solid gray;
  font-size: 10px;
  content: attr(data-tip);
  top: 50%;
  left: 50%;
  margin-top: 1px;
  margin-left: 1px;
  padding: 2px 5px;
  position: absolute;
  z-index: 10001;
  min-width: 45px;
}
.rul_tracker {
  height: 1px;
  width: 1px;
  background: #000;
  position: absolute;
  pointer-events: none;
}