@media only screen and (max-width: 320px){

}
@media only screen and (max-width: 640px){
	
	.top_panel_image{
		/* display: none; */
		/* position: absolute; margin: -100px; */
	}	
	
	.clearfix{
		/* display: none; */
		/* position: absolute; margin: -100px; */
	}	
}

@media only screen and (min-width :641px){

}

@media only screen and (min-width :993px){

}