OpenSlides/client/src/app/shared/components/projector-button/projector-button.component.scss

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

@mixin os-projector-button-style($theme) {
    $primary: map-get($theme, primary);
    $accent: map-get($theme, accent);
    $warn: map-get($theme, warn);
    $contrast: map-get($primary, contrast);

    .mat-mini-fab.projector-inactive {
        color: mat-color($contrast, A200) !important;
        background-color: mat-color($contrast, 500) !important;
    }
}