energylink/public/sass/components/_infobox.scss

.grafana-info-box::before {
  content: "\f05a";
  font-family:'FontAwesome';
  position: absolute;
  top: -13px;
  left: -8px;
  font-size: 20px;
  color: $text-color;
}

.grafana-info-box {
  position: relative;
  background: $info-box-background;
  box-shadow: $card-shadow;
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: $spacer;

  h5 {
    margin-bottom: $spacer;
  }
  ul {
    padding-left: $spacer;
  }

  a {
    @extend .external-link;
  }
}