body {
	background: #3484d2;
	color: #fff;
}

h1 {
	padding: 2rem 2rem 1rem;
}

#history-date {
	font-size: 2rem;
}
#history-prev {
	font-size: 2rem;
	display: inline-block;
	margin: 0 20px;
	cursor: pointer;
}
#history-next {
	font-size: 2rem;
	display: inline-block;
	margin: 0 20px;
	cursor: pointer;
}

.history-cnt {
	margin: 20px 0;
}

.image-center {
	overflow: hidden;
	position: relative;
	height: calc(100% - 25px);
}

.image-center img {
	width: 100%;
	display: block;
	position: absolute;
	top: -9999px;
	bottom: -9999px;
	left: -9999px;
	right: -9999px;
	margin: auto;
}

@media only screen and (max-width: 768px) {

	.image-center {
		overflow: auto;
		position: relative;
		height: auto;
	}

	.image-center img {
		position: relative;
		top: auto; left: auto;
		right: auto; bottom: auto;
	}

}