grafana/public/sass/components/_alerts.scss

//
// Alerts
// --------------------------------------------------


// Base styles
// -------------------------



.alert {
  padding: 0.5rem 2rem 0.5rem 1rem;
  margin-bottom: $line-height-base;
  text-shadow: 0 1px 0 rgba(255,255,255,.5);
  background-color: $state-warning-bg;
  position: relative;
  color: $white;
  text-shadow: 0 1px 0 rgba(0,0,0,.5);
  border-radius: 2px;
}

// Alternate styles
// -------------------------

.alert-success {
  background-color: $successBackground;
}

.alert-danger,
.alert-error {
  background-color: $errorBackground;
}
.alert-info {
  background-color: $infoBackground;
}
.alert-warning {
  background-color: $state-warning-bg;
}

.page-alert-list {
  z-index: 8000;
  min-width: 300px;
  max-width: 300px;
  position: fixed;
  right: 20px;
  top: 56px;
}

.alert-close {
  position: absolute;
  top: -4px;
  right: -2px;
  width: 16px;
  height: 16px;
  padding: 0;
  background: $white;
  border-radius: 50%;
  border: none;
  font-size: 1.1rem;
  color: $dark-4;
  .fa {
    position: relative;
    top: -2px;
  }
}

.alert-title {
  font-weight: $font-weight-semi-bold;
  padding-bottom: 2px;
}