mcs-ng-material/resources/lib/angular-material/modules/closure/tooltip/tooltip-default-theme.css

MCS NG-Meterial is based on mcs-web.

/*!
 * AngularJS Material Design
 * https://github.com/angular/material
 * @license MIT
 * v1.1.6
 */
.md-panel.md-tooltip.md-THEME_NAME-theme {
  color: '{{background-700-contrast}}';
  background-color: '{{background-700}}'; }