export declare const breakpoints: {
    xxs: number;
    xs: number;
    sm: number;
    md: number;
    lg: number;
    xl: number;
};
export declare const containerMaxWidths: {
    sm: number;
    md: number;
    lg: number;
};
export declare const screen: {
    xxs: string;
    xs: string;
    sm: string;
    md: string;
    lg: string;
    xl: string;
};