OpenSlides/client/src/assets/styles/global-components-style.scss

// Material theming import
@import '~@angular/material/theming';

/**
 *  Mixin-style to style global classes and tags with theme-related colors.
 */
@mixin os-components-style($theme) {
    $primary: map-get($theme, primary);
    $accent: map-get($theme, accent);
    $warn: map-get($theme, warn);
    $foreground: map-get($theme, foreground);
    $background: map-get($theme, background);

    h1, h3.accent {
        color: mat-color($primary);
    }

    a {
        color: mat-color($primary);
    }

    .accent-text {
        color: mat-color($accent);
    }

    .button24 {
        color: mat-color($primary);
    }

    .projected .mat-icon {
        color: mat-color($primary);
    }

    //custom table header for search button, filtering and more. Used in ListViews
    .custom-table-header {
        background: mat-color($background, background);
    }

    /* Custom hint and error classes. Same values as .mat-hint and -mat-error */
    .hint,
    .error {
        font-size: 75%;
        display: block;
    }
    .error {
        color: mat-color($warn);
    }
}