body {font-size:14px;
width:796px;
margin:0 auto;
background-color:#D2FFD2;
padding:0;}
div {padding:0;
margin:0;}
#plyty {margin-top:10px;
width:789px;
clear: both;
padding:0px;}
#dlatego {float: left;
width: 220px;}
#elementy {float: left;
width: 350px;}
#tresci {width: 150px;
float: left;
text-align:left;}
#dachu {
	clear: both;
}
#praca {
	clear: both;
	float: left;
	padding:0;
    background-color:#D2FFD2;	
}