@salesforce-ux/design-system/css/popovers/warning/index.css

Salesforce Lightning Design System

/*! Lightning Design System 2.12.0 */
@charset "UTF-8";
.slds-popover_warning button {
  color: #514f4d;
  text-decoration: underline;
}
.slds-popover_warning button:hover {
  color: #706e6b;
}
.slds-popover_warning button:focus {
  color: #514f4d;
  -webkit-box-shadow: 0 0 3px #514f4d;
  box-shadow: 0 0 3px #514f4d;
  border: 1px solid #514f4d;
}
.slds-popover_warning button:active {
  color: #706e6b;
}
.slds-popover_warning .slds-popover__header {
  background-color: #ffb75d;
  color: #2b2826;
}
.slds-popover_warning .slds-popover__header .slds-icon {
  fill: currentColor;
}
.slds-popover_warning .slds-popover__close {
  color: currentColor;
}
.slds-popover_warning.slds-nubbin_top:before,
.slds-popover_warning.slds-nubbin_top-left:before,
.slds-popover_warning.slds-nubbin_top-right:before,
.slds-popover_warning.slds-nubbin_left-top:before,
.slds-popover_warning.slds-nubbin_right-top:before {
  background-color: #ffb75d;
}