.history-x {
	width: 680px;
	margin: 0;
	padding:0;
	float:left;
	text-align:left;
	display:inline-block;
	position:relative;
}
.history-sakharov {
	margin: 0.5em 0.5em 0 0.5em;
	padding:0;
	float:right;
	text-align:left;
	display:inline-block;
	width: 105px;
	height:140px;
	background:#fff url(images/history-sakharov.jpg);
}
.history-reagan {
	margin: 0.5em 0.5em 0 0.5em;
	padding:0;
	float:left;
	text-align:left;
	display:inline-block;
	width: 120px;
	height:180px;
	background:#fff url(images/history-reagan.jpg);
}
.history-hwbush-gorbachev {
	margin: 0 0.5em 0 0.5em;
	padding:0;
	float:right;
	text-align:left;
	display:inline-block;
	width: 180px;
	height:135px;
	background:#fff url(images/history-hwbush-gorbachev.jpg);
}
.history-obama {
	margin: 0.5em 0.5em 0 0.5em;
	padding:0;
	float:left;
	text-align:left;
	display:inline-block;
	width: 105px;
	height:140px;
	background:#fff url(images/history-obama.jpg);
}
.history-medvedev {
	margin: 0.5em 0.5em 0 0.5em;
	padding:0;
	float:right;
	text-align:left;
	display:inline-block;
	width: 90px;
	height:120px;
	background:#fff url(images/history-medvedev.jpg);
}