consul/ui-v2/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: 100;
    bottom: 78px;
    width: 250px;
  }

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

  div.sparkline-loader {
    font-weight: normal;
    padding-top: 15px;
    font-size: 0.875rem;
    color: $gray-500;
    text-align: center;

    span::after {
      @extend %with-loading-icon, %as-pseudo;
    }
  }
}