@media (min-width: 500px) and (max-width: 599px) {
* {
				box-sizing:border-box;
			}
html {
	background-image:url("img1.jpg"); 
	font-size:4px;
	/*background-repeat:repeat;*/
	}
}
@media (min-width: 600px) and (max-width: 699px) {
* {
				box-sizing:border-box;
			}
html {
	background-image:url("img1.jpg"); 
	font-size:5px;
	/*background-repeat:repeat;*/
	}
}
@media (min-width: 700px) and (max-width: 799px) {
* {
				box-sizing:border-box;
			}
html {
	background-image:url("img1.jpg"); 
	font-size:6px;
	/*background-repeat:repeat;*/
	}
}