body {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	margin: 0.5%;
	background-image:url(obrazky/wallpaper-cf2-1440x900.png);
	background-repeat: no-repeat;
	background-attachment: fixed;
	background-position: center;
	background-size: cover;
	color: black;
}

nav, section, aside, footer {
	background-color:rgba(255, 255, 255, 0.5);
	padding: 1%;
	margin: 2px;
	border: groove;
	border-radius: 10px;
}
header img{
	opacity: 0.3;
	height: 8em;
	width: 80%;
}
header{
	background-color: transparent;
	text-align: center;
}
nav {
	text-align: center;
	margin-left: 18%;
	margin-right: 18%;
}
nav a {
	color: white;
	font-weight: bold;
	text-decoration: none;
	text-transform: uppercase;
	padding: 8px;
	text-align: center;
}
nav a:hover {
	color: #595959;
	background-color: rgba(255, 255, 0, 0.5);
	padding: 5px;
	border: groove;
	border-color: Highlight;
	border-radius: 10px;
}
p.chyba{
	color: red;
	font-weight: bolder;
}

.index{
	text-align: left;
}
section{
	margin-left: 18%;
	margin-right: 18%;
	text-align: center;
	
}
fieldset {
	border: 2px solid white;
	margin: 1em 0;
}
legend {	
	color: red;
	border: groove;
	border-radius: 10px;
	border: 2px solid #3399ff;
	background: rgba(255, 255, 0, 0.5);;
	padding: 1px 0.5em;
}

fieldset {
	border: groove;
	border-radius: 10px;
	border: 2px solid black;
	margin-right: 20%;
	margin-left: 20%;
	text-align: left;
}
footer {
	border: hidden;
	background-color:rgba(255, 255, 255, 0.2);
	padding: 0;
	padding-left: 0.5em;
	padding-right: 0.5em;
	clear: both;
	text-align: left;
	float: right;
}