    
    @import url('desktop.css');
    @import url('1000.css') (min-width : 990px) and (max-width : 1120px);
    @import url('768.css') (min-width : 641px) and (max-width : 990px);
    @import url('640.css') (min-width : 320px) and (max-width : 640px);
    