html, body {
	margin: 0;
	padding: 0;
}


#mainnav {
	width: 100%;
	height: 200px;
	overflow: hidden;
}

#nav_screen {
	position: absolute;
	top: 0px;
	left: 0px;
	visibility: visible;
	padding: 0;
	margin: 0;
	background-color: #fff;
	border-bottom: 1px solid black;
	width: 100%;
	height: 150px;
	text-align: center;
	overflow: hidden;
	z-index: 0;
}

#nav_screen li {
	list-style-type: none;
	display: inline;
}

#nav_screen a {
	margin: 0;
	display: block;
	color: white;
}

#logo_screen {
	float: left;
}

#link_order_screen {
	float: right;
}

#link_pkgling_screen {
	float: right;
}

#logolink_screen {
	width: 200px;
	height: 150px;
	background-image: url("../img/logo_@1x.png");
	background-size: 100px 100px;
	background-repeat: no-repeat;
	background-position: center;
	background-origin: content-box;
}

#pkglink_screen {
	height: 150px;
	width: 170px;
	background-image: url("../img/package_icon_@1x.png");
	background-size: 170px 200px;
	background-repeat: no-repeat;
	background-position: center;
	background-origin: content-box;
}

#orderlink_screen {
	height: 150px;
	width: 170px;
	background-image: url("../img/order_icon_@1x.png");
	background-size: 170px 200px;
	background-repeat: no-repeat;
	background-position: center;
	background-origin: content-box;
	padding-right: 40px;
}



#nav_mobile {
	position: absolute;
	top: 0px;
	left: 0px;
	visibility: hidden;
	margin: 0;
	padding: 0;
	width: 100%;
	height: 80px;
	background-color: #fff;
	border-bottom: 1px solid black;
	text-align: center;
	overflow: hidden;
	z-index: 1;
}

#nav_mobile li {
	display: inline-block;
}

#nav_mobile a {
	display: inline-block;
	margin: 0;
	color: black;
}

#left_space {
	float: left;
	width: 90px;
	height: 80px;
}

#logolink_mobile {
	width: 50px;
	height: 80px;
	background-image: url("../img/logo_mobile_@1x.png");
	background-repeat: no-repeat;
	background-size: 50px 50px;
	background-position: center;
	background-origin: content-box;
}


#link_order_mobile {
	float: right;
}

#link_pkgling_mobile {
	float: right;
}

#orderlink_mobile {
	width: 30px;
	height: 80px;
	background-image: url("../img/order_icon_mobile_@1x.png");
	background-repeat: no-repeat;
	background-size: 30px 80px;
	background-position: center;
	background-origin: content-box;
	padding-right: 20px;
}

#pkglink_mobile {
	width: 30px;
	height: 80px;
	background-image: url("../img/package_icon_mobile_@1x.png");
	background-repeat: no-repeat;
	background-size: 30px 80px;
	background-position: center;
	background-origin: content-box;
	padding-right: 10px;
}



@media (max-width: 700px) {
	
	#mainnav {
		height: 80px;
	}
	
	#nav_screen {
		visibility: hidden;
	}
	
	#nav_mobile {
		visibility: visible;
	}
}



@media	only screen and (-webkit-min-device-pixel-ratio: 2),
		only screen and (min-resolution: 2dppx),
		only screen and (min-resolution: 192dpi) {

	#logolink_screen {
		background-image: url("../img/logo_@2x.png");
	}

	#pkglink_screen {
		background-image: url("../img/package_icon_@2x.png");
	}

	#orderlink_screen {
		background-image: url("../img/order_icon_@2x.png");
	}

	#logolink_mobile {
		background-image: url("../img/logo_mobile_@2x.png");
	}

	#orderlink_mobile {
		background-image: url("../img/order_icon_mobile_@2x.png");
	}

	#pkglink_mobile {
		background-image: url("../img/package_icon_mobile_@2x.png");
	}
}

@media	only screen and (-webkit-min-device-pixel-ratio: 3),
		only screen and (min-resolution: 3dppx),
		only screen and (min-resolution: 288dpi) {
	
	#logolink_screen {
		background-image: url("../img/logo_@3x.png");
	}

	#pkglink_screen {
		background-image: url("../img/package_icon_@3x.png");
	}

	#orderlink_screen {
		background-image: url("../img/order_icon_@3x.png");
	}

	#logolink_mobile {
		background-image: url("../img/logo_mobile_@3x.png");
	}

	#orderlink_mobile {
		background-image: url("../img/order_icon_mobile_@3x.png");
	}

	#pkglink_mobile {
		background-image: url("../img/package_icon_mobile_@3x.png");
	}

}