coriolis/app/less/charts.less

svg {

  .axis {

    line, path {
      fill: none;
      stroke: @primary-disabled;
    }

    text {
      font-size: 0.8em;
      fill: @primary-disabled;
    }

    &.y {
      text tspan:first-child {
        fill: @primary;
      }
    }

  }

  .marker {
    fill: @secondary;
  }

  .label {
    font-size: 0.75em;
    fill: @fg;
  }

  .tip {
    fill: @bgBlack;
    stroke: @secondary;
    stroke-width: 1px;
  }
}