body {
	background-color: lightgreen;
	background: linear-gradient(135deg, #6F6, white 65%, #6F6);
	background-attachment: fixed;
}
main {
	margin: 1.6em;
	border-radius: 5px;
	box-shadow: 0px 0px 20px gray;
}
header {
	padding: 10px;
}
nav {
	float: left;
	width: 200px;
	padding: 10px;
	text-align: left;
}
section {
	margin-left: 220px;
	padding: 10px;
	text-align: left;
}

footer {
	padding: 10px;
}
.menuicon{
  display:none;
}

.vypitab{
  display:inline-block;
  max-width:calc(100vw - 250px - 3.2em);
  max-height:50vh;
  overflow-x:auto;
  margin:0;
  padding:0;
  text-align:center;
  border:0;

}
.vypitab table {
  border-collapse: collapse;
  overflow:unset;
  display:table;
  border:unset;
}
.vypitab th, .vypitab td {
  padding: 1px;
  white-space:nowrap;
  text-align:center;
  border: 1px solid black;
}
/* Pro fixní první sloupec, přidáme toto */
.vypitab td:first-child, .vypitab th:first-child {
  position: sticky;
  left: 0;
  text-align:left;
  background-color: tan;
}
/* Pro fixní první řádek */
.vypitab tr:first-child th, .vypitab tr:first-child td {
   position: sticky;
   top: 0;
   background-color: tan;
}