#zawartosc{
	height: 355px;
	overflow: hidden;
}	

#kol1_wspolpraca{
	float: left;
	background-color: #D1D3E4;
	border-left: 25px solid #B1B3C4;	
	width: 172px;
	height: 2000px;
	padding: 15px 10px 0 10px;
}

#kol2_wspolpraca{
	float: left;
	background-color: #E3E5EF;
	border-left: 25px solid #C6C8DA;	
	width: 172px;
	height: 2000px;
	padding: 15px 10px 0 10px;
}

#kol3_wspolpraca{
	float: left;
	background-color: #E3E5EF;
	border-left: 25px solid #D0D1DC;		
	width: 172px;
	height: 2000px;
	padding: 15px 10px 0 10px;
}

#kol4_wspolpraca{
	float: left;
	background: url(../obrazki/obrazek_pracownicy.jpg) no-repeat;
	width: 217px;
	height: 2000px;
}