alfresco-ng2-components/lib/core/buttons-menu/buttons-menu.component.scss

.adf-buttons-menu {
    margin-right: 10px;

    & div {
        display: flex;
    }

    &-mobile {
        margin-right: 10px;
    }

    &-desktop {
        display: flex;

        button {
            color: black;
            padding: 0;
        }

        button > span {
            display: none;
        }

        button > mat-icon.mat-icon.material-icons {
            color: black;
            margin: 0 10px;
        }
    }
}