Untitled

[...]
<body>
	<div id="strona">
		<div id="gora"></div>
		<div id="foto"></div>
	</div>
</body>

#strona {
	margin: 0 auto;
	padding: 0;
	overflow: hidden;
	background-color: white;
}
#gora {
	background-image: url(images/bx_01.jpg);
	background-repeat: no-repeat;
	background-size: 100%;
}
#foto {
	background-image: url(images/bx_02.jpg);
	background-repeat: no-repeat;
	background-size: 100%;
}