// target small screens (mobile devices or small desktop windows)  
    @media only screen and (max-width: 480px) {  
      /* CSS goes here */  
    }  
      
    /* high resolution screens */  
    @media (-webkit-min-device-pixel-ratio: 2),  
                 (min--moz-device-pixel-ratio: 2),  
                 (min-resolution: 300dpi) {  
      header { background-image: url(header-highres.png); }  
    }  
      
    /* low resolution screens */  
    @media (-webkit-max-device-pixel-ratio: 1.5),  
                 (max--moz-device-pixel-ratio: 1.5),  
                 (max-resolution: 299dpi) {  
      header { background-image: url(header-lowres.png); }  
    }  
	#icon_tooltip {
		display:none !important;
}