@media(min-width:769px) and (max-width:999px) {
}
 @media only screen and (max-width:768px) {
}
 @media only screen and (max-width: 479px) {
}
@media only screen and (max-width: 320px) {
	.logo{padding:0 40px;box-sizing: border-box;margin-top: 40%;}
}