#stred {
  position: relative;
	width: 420px;
	height: 0px;
	float: left;
	margin-left: 20px;
	margin-top: 40px;
	
	}

#stred_stred {
	width: 420px;
	height: 100px;
	padding: 3px;
	margin-top: 10px;
	background-color: #dedede;
}
#rok {
	width: 420px;
	height: 20px;
	padding: 3px;
	margin-top: 1px;
	text-align: center;
	background-color: #dedede;
}
img.sumava {
  float:left;
  margin-right: 10px;
  margin-bottom: 10px;
  border: 1px solid #000000;
  padding: 2px;
}