open-consul/ui/packages/consul-ui/app/components/topology-metrics/status/index.scss

.topology-metrics-status-error,
.topology-metrics-status-loader {
  font-weight: normal;
  font-size: 0.875rem;
  color: $gray-500;
  text-align: center;
  margin: 0 auto !important;
  display: block;

  span::before {
    @extend %with-info-circle-outline-mask, %as-pseudo;
    background-color: $gray-500;
  }
}

span.topology-metrics-status-loader::after {
  @extend %with-loading-icon, %as-pseudo;
}