observe-front/public/css/graphin/index.css

.graphin-components-tooltip.top {
  transform: translate(0, -100%);
}

.graphin-components-tooltip.bottom {
  transform: translate(0, 0);
}

.graphin-components-tooltip.right {
  transform: translate(0, 0);
}

.graphin-components-tooltip.left {
  transform: translate(-100%, 0);
}

.graphin-components-tooltip .tooltip-arrow {
  position: absolute;
  display: block;
  width: 8px;
  height: 8px;
  background: 0 0;
  border-style: solid;
  border-width: 4px;
  color: #fff;
}

.graphin-components-tooltip .tooltip-arrow.top {
  left: 50%;
  top: 100%;
  transform: translate(-50%, -50%) rotate(45deg);
}

.graphin-components-tooltip .tooltip-arrow.bottom {
  left: 50%;
  top: 0;
  transform: translate(-50%, -50%) rotate(45deg);
}

.graphin-components-tooltip .tooltip-arrow.left {
  left: 100%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}

.graphin-components-tooltip .tooltip-arrow.right {
  left: 0;
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}

div.graphin-components-tooltip-content {
  width: 100%;
  padding: 8px;
  box-shadow: 0px 5px 5px -3px rgba(0, 0, 0, 0.2), 0px 8px 10px 1px rgba(0, 0, 0, 0.14), 0px 3px 14px 2px rgba(0, 0, 0, 0.12);
  cursor: pointer;
}

ul.graphin-components-legend-content {
  display: block;
  position: relative;
  margin: 0px;
  padding: 0px;
}

ul.graphin-components-legend-content li.item {
  display: inline-block;
  vertical-align: top;
  margin: 5px 10px;
  cursor: pointer;
}

ul.graphin-components-legend-content li.item>.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

ul.graphin-components-legend-content li.item>.label {
  padding: 0px 5px;
  font-size: 12px;
  display: inline-block;
  vertical-align: baseline;
}