@media screen and (min-width:1024px){
	.history_line {
		height:5400px;
	}
}
@media screen and (min-width:768px) and (max-width:1023px){
	.history_line {
		height:5550px;
	}
}

@media screen and (max-width:767px){
	.history_line {
		height:9100px;
	}
}

@media print {
	.history_line {
		height:9100px;
	}
}