open-consul/ui/packages/consul-ui/app/components/topology-metrics/series/layout.scss

#metrics-container div .sparkline-wrapper {
  position: relative;
  width: 100%;
  padding: 0;
  margin: 0;
  height: 70px;

  svg.sparkline {
    width: 100%;
    height: 70px;
    padding: 0;
    margin: 0;
  }

  .tooltip {
    visibility: hidden;
    position: absolute;
    z-index: 10;
    bottom: 78px;
    width: 217px;
  }

  .sparkline-tt-legend-color {
    display: inline-block;
  }

  // extra padding for the status sub-component that's not needed for the stats
  // status
  .topology-metrics-error,
  .topology-metrics-loader {
    padding-top: 15px;
  }
}

// Key modal
.sparkline-key {
  .sparkline-key-content {
    width: 500px;
    min-height: 100px;

    dl {
      padding: 10px 0 0 0;
    }
    dt {
      width: 125px;
      float: left;
    }
    dd {
      margin: 0 0 12px 135px;
    }
  }
}

.sparkline-key-link {
  visibility: hidden;
  float: right;
  // TODO: this is a massive hack but we want it to be actually outside of the
  // bounding box of this component. We could move it into the parent component
  // but it's pretty tied up to the state - should only show if we have metrics
  // loaded etc. I expect there is a cleaner way to refactor this though.
  margin-top: -35px;
  margin-right: 12px;
}
#metrics-container:hover .sparkline-key-link {
  visibility: visible;
}