body{
	font-family: Verdana;
	background-color: white;
}
#obsah{
	position: relative;
	margin-top:3em;
	margin-left: 13em;
	margin-right: 10%;
	margin-bottom: 5em;
	padding-top:0.625em;
	padding-left: 0.625em;
	padding-right: 0.625em;
}
#obsah h1{
	font-variant: small-caps;
	font-size: 1.7em;
}
#obsah h2{
	font-size: 1.2em;
}

#levy_sloupec{
	background-color: #f1f1f1;
	position: fixed;
	top: 2.75em;
	left: 0;
	bottom: 0;
	width: 13em;
	padding-right: 0;
	margin-right: 0;
	box-shadow: 0.125em 0.125em 0.3125em #f2f2f2;
	overflow: auto;
}
@media only screen and (max-width: 1150px){
	#obsah{
		margin-right: 4em;
	}
}
@media only screen and (max-width: 900px){
	#levy_sloupec{
		display: none;
	}
	#obsah{
		margin-left: 2em;
		margin-right: 3em;
	}
	.poucka{
		font-size: 0.7em;
	}
@media only screen and (max-width: 375px){
	#hlavicka{
		display: none;
	}
	#obsah{
		margin-top: 0em;
		margin-left: 0em;
		margin-right: 0em;
	}
}
}
#levy_sloupec ul{
	margin: 0;
	padding: 0;
	list-style-type: none;
	font-size: 0.9375em;
}
#levy_sloupec a{
	display: block;
	height: 1.25em;
	padding: 0.5em 1em;
	color: #000;
    text-decoration: none;
}
#levy_sloupec a:hover:not(.active) {
    background-color: #555;
    color: white;
}
#levy_sloupec a.active{
    background-color: #4CAF50;
    color: white;
}
#levy_sloupec h2{
	font-size: 1.25em;
	margin-left: 0.75em;
	margin-right: 1em;
	border-bottom-style: ridge;
	border-color: #f1f1f1;
	margin-bottom: 0.3125em;
}
#hlavicka{
	position: fixed;
	top: 0;
	height: 3em; 
	width: 100%;
	background-color: #404040;
	left: 0;
	box-shadow: 0.1875em 0.1875em 0.1875em #bfbfbf;
	z-index: 1;
}
#hlavicka ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
}
#hlavicka li {
    float: left;
}
#hlavicka li a {
    display: block;
    color: white;
    text-align: center;
    padding: 0.875em 1em;
    text-decoration: none;
}
#hlavicka li a:hover:not(.active) {
    background-color: #111;
}

#hlavicka a.active {
    background-color: #4CAF50;
}

#paticka{
	border-top-style: ridge;
	border-color: #f1f1f1;
	margin-left: 1.25em;
	margin-right: 1.25em;
	height: 3em;
}
.poucka{
	margin-right: 0.3125em;
	border-left-style: solid;
	border-width: 0.3125em;
	border-color: #ff9933;
	background-color: #ffe6cc;
	padding-left: 0.5em;
	padding-top: 0.1em;
	padding-bottom: 0.1em;
	font-family: Courier;
	overflow: auto;
}
.atr{
	color:#cc0000;
}
.tag{
	color:#0000cc;
}
.poucka ul{
	list-style-type:none;
	padding-left: 1.5em;
}
.zadani, .ukol{
	background-color: #ff9933;
	border-bottom-style: solid;
	border-color: #ffe6cc;
	color: white;
	margin: auto;
	padding: 0.75em;
}
.ukol{
	cursor: pointer;
}
.zadani{
	display: none;
	background-color: white;
	color: black;
	border-bottom-style: solid;
	border-left-style: solid;
	border-right-style: solid;
	padding-bottom: 0em;
}
.skryj{
	color: #1a75ff;
	text-decoration: underline;
	text-align: right;
	padding: 0;
	cursor: pointer;
}
.prereq{
	font-size: 0.75em;
}

.helptext{
	visibility: hidden;
	width: 20em;
	background-color: #ff9933;
	color: white;
	font-size: 0.9em;
	text-align: center;
	border-radius: 6px;
	padding: 0.2em 0;
	
	position: absolute;
	z-index: 1;
}

.help:hover .helptext{
	visibility: visible;
}


.vyzkousej_text, .vyzkousej{
	margin: auto;
	padding-left: 1em;
	padding-top: 0.8em;
	overflow: auto;
}
.vyzkousej{
	margin-top: 1em;
	padding-bottom: 0.8em;
	cursor: pointer;
	border-left-style: solid;
	background-color: #4CAF50;
	border-color: #446600;
	color: white;
	font-size: 1em;
	border-width: 6px;
}
.vyzkousej_text ul{
	list-style-type:none;
	padding-left: 1em;
}
.vyzkousej_text{
	display: none;
	background-color: #e6ffe6;
	color: black;
	border: none;
	padding-bottom: 1em;
	padding-right: 2em;
	font-size: 0.8em;
}
hr{
	margin-top: 2em;
	margin-bottom: 2em;
}

table.tabulka{
	width: 100%;
	border-collapse: collapse;
	border: solid 1px #d9d9d9;
}
table.tabulka th{
	border: solid 1px;
	border-color: #4CAF50;
	background-color: #4CAF50;
	color: white;
	font-weight: normal;
	padding: 0.5em;
	text-align: left;
}
table.tabulka td{
	padding: 0.5em;
}
table.tabulka tr:nth-child(even){
	background-color: #f2f2f2;
}