node_modules/@covalent/core/message/_message-theme.scss

@import '../common/styles/theme-functions';
@import '../common/styles/typography-functions';

@mixin td-message-typography($config) {
  .td-message-label {
    font: {
      family: td-font-family($config);
      size: td-font-size($config, body-2);
      weight: 600;
    }

    line-height: td-line-height($config, body-2);
  }
  .td-message-sublabel {
    font: {
      family: td-font-family($config);
      size: td-font-size($config, body-1);
    }
  }
}

@mixin td-message-theme($theme) {
  $primary: map-get($theme, primary);
  $accent: map-get($theme, accent);
  $warn: map-get($theme, warn);

  .td-message {
    &.mat-primary {
      color: mat-color($primary);
      background-color: mat-color($primary, 0.15);
    }
    &.mat-accent {
      color: mat-color($accent);
      background-color: mat-color($accent, 0.15);
    }
    &.mat-warn {
      color: mat-color($warn);
      background-color: mat-color($warn, 0.15);
    }
  }
}