#SwapGrating{
	position: absolute;
	top: 245px;
	left: 200px;
	width: 500px;
	height:50px;
}

#SwapWavelengthUp{
	position: absolute;
	top: 160px;
	left: 80px;
	width: 50px;
	height:70px;
}

#SwapWavelengthDown{
	position: absolute;
	top: 160px;
	left: 280px;
	width: 50px;
	height:70px;
}

#MoveFilLeft{
	position: absolute;
	top: 530px;
	left: 400px;
	width: 50px;
	height:70px;
}

#MoveFilRight{
	position: absolute;
	top: 530px;
	left: 500px;
	width: 50px;
	height:70px;
}

.InvisibleButton{

}