.x3d_world_demo {
	margin-left: auto;
	margin-right: auto;
	border: solid;
	border-width: 1px;
	border-color: #dddddd;
}

.navigation {
	margin-left: auto;
	margin-right: auto;
	display: grid;
	justify-content: center;
	align-items: center;
	grid-column-gap: 2px;
	grid-row-gap: 2px;
}

#navGuideBox {
	text-align: center;
	margin-left: auto;
	margin-right: auto;
}

#navGuideText {
	font-family: Verdana;
	color: #dddddd;
}

#vr_notice {
	color: #dddd00;
	font-family: Verdana;
}

.buttons {
	font-family: Verdana;
	text-align: center;
	background-color: #222222;
	color: #dddddd;
	border-style: solid;
	border-color: #dddddd;
	border-width: 1px;
}

@media screen and (max-width: 360px){
	
	.x3d_world_demo {
		width: 250px;
		height: 250px;
	}
	
	.navigation {
		grid-template-columns: 75px 75px;
		grid-template-rows: 20px 20px;
	}
	
	#navGuideBox {
		width: 250px;
	}
	
	#navGuideText {
		font-size: 12px;
	}
	
	#vr_notice {
		font-size: 12px;
	}
	
	.buttons {
		width: 75px;
		height: 20px;
		font-size: 12px;
	}

}

@media screen and (max-width: 450px){
	
	.x3d_world_demo {
		width: 300px;
		height: 300px;
	}
	
	.navigation {
		grid-template-columns: 100px 100px;
		grid-template-rows: 25px 25px;
	}
	
	#navGuideBox {
		width: 300px;
	}
	
	#navGuideText {
		font-size: 12px;
	}
	
	#vr_notice {
		font-size: 12px;
	}
	
	.buttons {
		width: 100px;
		height: 25px;
		font-size: 12px;
	}

}

@media screen and (max-width: 600px){
	
	.x3d_world_demo {
		width: 350px;
		height: 350px;
	}
	
	.navigation {
		grid-template-columns: 100px 100px;
		grid-template-rows: 25px 25px;
	}
	
	#navGuideBox {
		width: 350px;
	}
	
	#navGuideText {
		font-size: 12px;
	}
	
	#vr_notice {
		font-size: 12px;
	}
	
	.buttons {
		width: 100px;
		height: 25px;
		font-size: 12px;
	}
}

@media screen and (min-width: 600px){
	
	.x3d_world_demo {
		width: 450px;
		height: 450px;
	}
	
	.navigation {
		grid-template-columns: 100px 100px;
		grid-template-rows: 25px 25px;
	}
	
	#navGuideBox {
		width: 450px;
	}
	
	#navGuideText {
		font-size: 12px;
	}
	
	#vr_notice {
		font-size: 12px;
	}
	
	.buttons {
		width: 100px;
		height: 25px;
		font-size: 12px;
	}
}

@media screen and (min-width: 768px){
	
	.x3d_world_demo {
		width: 500px;
		height: 500px;
	}
	
	.navigation {
		grid-template-columns: 100px 100px;
		grid-template-rows: 25px 25px;
	}
	
	#navGuideBox {
		width: 500px;
	}
	
	#navGuideText {
		font-size: 14px;
	}
	
	#vr_notice {
		font-size: 14px;
	}
	
	.buttons {
		width: 100px;
		height: 25px;
		font-size: 12px;
	}
}

@media screen and (min-width: 1024px){
	
	.x3d_world_demo {
		width: 500px;
		height: 500px;
	}
	
	.navigation {
		grid-template-columns: 100px 100px;
		grid-template-rows: 25px 25px;
	}
	
	#navGuideBox {
		width: 500px;
	}
	
	#navGuideText {
		font-size: 14px;
	}
	
	#vr_notice {
		font-size: 14px;
	}
	
	.buttons {
		width: 100px;
		height: 25px;
		font-size: 12px;
	}
}

@media screen and (min-width: 1200px){
	
	.x3d_world_demo {
		width: 550px;
		height: 550px;
	}
	
	.navigation {
		grid-template-columns: 125px 125px;
		grid-template-rows: 25px 25px;
	}
	
	#navGuideBox {
		width: 550px;
	}
	
	#navGuideText {
		font-size: 16px;
	}
	
	#vr_notice {
		font-size: 16px;
	}
	
	.buttons {
		width: 125px;
		height: 25px;
		font-size: 12px;
	}
}

@media screen and (min-width: 1400px){
	
	.x3d_world_demo {
		width: 600px;
		height: 600px;
	}
	
	.navigation {
		grid-template-columns: 125px 125px;
		grid-template-rows: 25px 25px;
	}
	
	#navGuideBox {
		width: 600px;
	}
	
	#navGuideText {
		font-size: 16px;
	}
	
	#vr_notice {
		font-size: 16px;
	}
	
	.buttons {
		width: 125px;
		height: 25px;
		font-size: 12px;
	}
}