.google-visualization-formatters-arrow-dr {
  padding-left: 13px !important;
  background: url(/static/images/arrow_dr.png) no-repeat left;
  border: 1px solid #eee;
}

.google-visualization-formatters-arrow-ug {
  padding-left: 13px !important;
  background: url(/static/images/arrow_ug.png) no-repeat left;
  border: 1px solid #eee;
}

.google-visualization-formatters-arrow-empty {
  padding-left: 13px !important;
  border: 1px solid #eee;
}