* {
  	font-family: Arial, Verdana, sans-serif;
  	color: #665544;}
body {
  	width: 1560px;
  	margin: 0 auto;}
#header, #footer {
	background-color: gold;
   padding: 10px;
   margin: 5px;}
#nav {
	margin-left: 60px;
}
#content {
	overflow: auto;}
li.poziomo {
   display: inline;
   padding: 5px;}
code {
	color: brown;
	font-size: 16px;}

.kol_1z1 {
	background-color: #EFEFFF;
   width: 1550px;
   float: left;
   margin: 5px;}

.kol_1z2, .kol_2z4, .kol_3z6, .kol_4z8, .kol_5z10, .kol_6z12 {
	background-color: #EFEFFF;
   width: 770px;
   float: left;
   margin: 5px;}

.kol_1z3, .kol_2z6, .kol_4z12 {
	background-color: #EFEFFF;
   width: 510px;
   float: left;
   margin: 5px;}

.kol_2z3, .kol_4z6, .kol_8z12 {
	background-color: #EFEFFF;
   width: 1030px;
   float: left;
   margin: 5px;}

.kol_1z4, .kol_2z8, .kol_3z12 {
	background-color: #EFEFFF;
   width: 380px;
   float: left;
   margin: 5px;}

.kol_3z4, .kol_6z8, .kol_9z12 {
	background-color: #EFEFFF;
   width: 1160px;
   float: left;
   margin: 5px;}

.kol_1z5, .kol_2z10 {
	background-color: #EFEFFF;
   width: 302px;
   float: left;
   margin: 5px;}

.kol_2z5, .kol_4z10 {
	background-color: #EFEFFF;
   width: 614px;
   float: left;
   margin: 5px;}

.kol_3z5, .kol_6z10 {
	background-color: #EFEFFF;
   width: 926px;
   float: left;
   margin: 5px;}

.kol_4z5, .kol_8z10 {
	background-color: #EFEFFF;
   width: 1238px;
   float: left;
   margin: 5px;}

.kol_1z6, .kol_2z12 {
	background-color: #EFEFFF;
   width: 250px;
   float: left;
   margin: 5px;}

.kol_5z6, .kol_10z12 {
	background-color: #EFEFFF;
   width: 1290px;
   float: left;
   margin: 5px;}

.kol_1z8 {
	background-color: #EFEFFF;
   width: 185px;
   float: left;
   margin: 5px;}

.kol_3z8 {
	background-color: #EFEFFF;
   width: 575px;
   float: left;
   margin: 5px;}

.kol_5z8 {
	background-color: #EFEFFF;
   width: 965px;
   float: left;
   margin: 5px;}

.kol_7z8 {
	background-color: #EFEFFF;
   width: 1355px;
   float: left;
   margin: 5px;}

.kol_1z10 {
	background-color: #EFEFFF;
   width: 146px;
   float: left;
   margin: 5px;}

.kol_3z10 {
	background-color: #EFEFFF;
   width: 458px;
   float: left;
   margin: 5px;}

.kol_7z10 {
	background-color: #EFEFFF;
   width: 1082px;
   float: left;
   margin: 5px;}

.kol_9z10 {
	background-color: #EFEFFF;
   width: 1394px;
   float: left;
   margin: 5px;}

.kol_1z12 {
	background-color: #EFEFFF;
   width: 120px;
   float: left;
   margin: 5px;}

.kol_5z12 {
	background-color: #EFEFFF;
   width: 640px;
   float: left;
   margin: 5px;}

.kol_7z12 {
	background-color: #EFEFFF;
   width: 900px;
   float: left;
   margin: 5px;}

.kol_11z12 {
	background-color: #EFEFFF;
   width: 1420px;
   float: left;
   margin: 5px;}

.center {
	text-align: center;
}
	
code {
	color: brown;
	font-size: 15px;
}