grafana/emails/templates/partials/layout/theme.css

.canvas {
  background-color: #fff;
}

.background {
  background-color: #FFF;
  border: 1px solid #e4e5e6;
}

.border-bottom {
  border-bottom: 1px solid #e4e5e6;
}

.border-top {
  border-top: 1px solid #e4e5e6;
}

.well {
  background-color: #F4F5F5;
  border: 1px solid #e4e5e6;
}

.txt div, .token div {
  color: #24292e;
}

.txt tbody tr td {
  color: #24292e;
}

.token {
  background-color: #F4F5F5;
  border: 1px solid #e4e5e6;

  padding: 10px 25px;
}