#LogoBox
    {
    background:url('http://images.globes.co.il/images/site2/special_projects/Logo_images/magazine/9245d.jpg')no-repeat 0 0;    
    height:106px;
   }

@media only screen and (max-width: 480px) {
    #LogoBox {background: url(http://images.globes.co.il/images/site2/special_projects/Logo_images/magazine/9245m1.jpg) no-repeat 0 0 !important}
}