.ef-ruler {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.ef-ruler .corner {
  position: absolute;
  top: 0;
  left: 0;
  width: 18px;
  height: 18px;
  background-color: #fff;
  border-width: 0 1px 1px 0;
  border-style: solid;
  border-color: #000;
  z-index: 2;
}

.ef-ruler .ruler {
  background: none repeat scroll 0% 0% #fff;
  color: #444;
  font-size: 9px;
  line-height: 14px;
  overflow: hidden;
  z-index: 1;

  /* Disable select */
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.ef-ruler .top-arrow {
  position: absolute;
  top: 5px;
  left: 0;
  /*font-size: 11px !important;*/
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;

  border-top: 6px solid #000;

  -webkit-transform: scaleX(0.7);
  -moz-transform: scaleX(0.7);

  z-index: 3;
}

.ef-ruler .top-line {
  position: absolute;
  top: 0;
  left: 0;
  /*font-size: 11px !important;*/
  width: 0;
  height: 18px;
  border-left: 1px solid #000;

  z-index: 3;
}

.ef-ruler .left-arrow {
  position: absolute;
  top: 0;
  left: 5px;
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;

  border-left: 6px solid #000;

  -webkit-transform: scaleY(0.7);
  -moz-transform: scaleY(0.7);

  z-index: 3;
}

.ef-ruler .left-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 18px;
  height: 0;
  border-top: 1px solid #000;

  z-index: 3;
}

.ef-ruler .tick {
  background: none repeat scroll 0% 0% #b5b5b5;
  font-size: 8px;
  color: #666;
}

.ef-ruler .top {
  position: absolute;
  top: 0;
  left: 18px;
  right: 0;
  height: 18px;
  border-bottom: 1px solid #000;
}

.ef-ruler .top .major {
  position: absolute;
  top: 0;
  width: 1px;
  height: 100%;
  text-indent: 1px;
}

.ef-ruler .top .minor {
  position: absolute;
  bottom: 0px;
  width: 1px;
  height: 6px;
}

.ef-ruler .top .micro {
  position: absolute;
  bottom: 0px;
  width: 1px;
  height: 4px;
}

.ef-ruler .left {
  position: absolute;
  top: 18px;
  bottom: 0px;
  left: 0;
  width: 18px;
  border-right: 1px solid #000;
}

.ef-ruler .left .major {
  position: absolute;
  right: 0;
  height: 1px;
  width: 100%;
  text-indent: 1px;
}

.ef-ruler .left .major span {
  display: block;
  position: absolute;
  top: 1px;
  right: 0;
  margin-right: 18px;

  -webkit-transform: rotate(-90deg);
  -moz-transform: rotate(-90deg);
  -ms-transform: rotate(-90deg);
  -o-transform: rotate(-90deg);
  transform: rotate(-90deg);

  -webkit-transform-origin: right top 0px;
  -moz-transform-origin: right top 0px;
  -ms-transform-origin: right top 0px;
  -o-transform-origin: right top 0px;
  transform-origin: right top 0px;
}

.ef-ruler .left .minor {
  position: absolute;
  right: 0px;
  height: 1px;
  width: 6px;
}

.ef-ruler .left .micro {
  position: absolute;
  right: 0px;
  height: 1px;
  width: 4px;
}

.ef-ruler .stage {
  margin-top: 18px;
  margin-left: 18px;
  padding: 50px;
  position: relative;
}

.drag-box {
  width: 400px;
  height: 300px;
  margin: 20px auto;
  overflow: hidden;
  border: 3px dotted #222;
  background: #f8f8f8;
  line-height: 25px;
  font-size: 13px;
}
.drag {
  width: 150%;
  padding: 10px;
  cursor: grab;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}
.drag-x {
  width: 150%;
  padding: 10px;
  cursor: grab;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}
.drag-y {
  padding: 10px;
  cursor: grab;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}

.v-mouse {
  display: block;
  position: absolute;
  width: 100%;
  height: 0px;
  left: 0;
  background: rgba(0, 0, 0, 0);
  border-bottom: #007bff 1px dotted;
  z-index: 11;
  pointer-events: none;
}

.h-mouse {
  display: block;
  position: absolute;
  height: 100%;
  width: 0px;
  top: 0;
  background: rgba(0, 0, 0, 0);
  border-left: #007bff 1px dotted;
  z-index: 11;
  pointer-events: none;
}

.mouse-pos-box {
  background: #007bff;
  color: #fff;
  position: absolute;
  display: block;
  overflow: hidden;
  text-align: center;
  font-size: 11px;
  left: -50%;
  top: -50%;
  padding: 5px;
  width: 110px;
}

.grid-area-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.grid-area {
  position: relative;
  margin: 70px auto;
}

.grid-area > div {
  width: 100%;
  height: 100%;
}