header{
	height: 300px;
	text-align: center;
	top: 0;
	padding-top: 0.1em;
	margin-bottom: 10px;


	background: linear-gradient(to right, #bfe9ff, #785B93);
	background: linear-gradient(to left, #2980b9, #6dd5fa, #ffffff);;
	font-family: Helvetica;


}

.logo{
	text-align: left;
	margin-left: 20px;
}

nav {
	//color: rgb(255, 247, 224);
	padding: 0.5%;
	margin-bottom: 0.5em;

}

nav a {
	font-size: 30px;
	color:ghostwhite;
	text-decoration: none;
	font-weight: bold;
	display: inline-block;
	letter-spacing: 0.1em;
	padding: 10px;

}

nav a:hover {
	color: black;
	background-color: aliceblue;

}
.highlight{

	color: black;
	background-color: aliceblue;
}



body{
	font-size: 18px;
	font-family: Verdana, Arial, Helvetica, sans-serif;
	margin: 0;
	//background: linear-gradient(30deg, rgba(200,200,200,1) 100%, rgba(23, 42, 58, 1) 10% , rgba(0,0,0,1) 41%);

}

section{

	padding: 1%;
	margin: auto;
}

h1{
	font-family: Helvetica;
	font-size: 25px;
}

.start{
	border-style: inset;
	/*padding:15px;*/
	color: black; /*alebo ciernaaa?*/
}

div {
	//margin: 30px 0px 30px 0px;
	text-align: left;
}

.grid-container {
	display: grid;
	grid-template-columns: 15% 85%;

	grid-gap: 10px;
	padding: 10px;




}

.grid-container > div {

	text-align: center;
	padding: 20px 0;
	font-size: 30px;
	//background-color: rgba(200,200,200,1);

}
/*OBSAH*/
div.item1 {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	overflow: hidden;
	position: relative;
	//height: min-content;

	background-color: whitesmoke;
	//background-color: lightgray;
	border-radius: 10%;



}

.item1 #menu {
	margin-top: 1em;
	display: block;
	color: black;
	text-align: center;

}

.item1 #menu a{
	color: black;
	font-style: italic;


}

.item1 #menu a strong{
	color: black;
	font-size: 15px;
	font-style: normal;

}

.item1 a {
	color: black;
	padding: 15px;
	text-decoration: none;
	font-size: 15px;
	display: block;
}

.item1 a.icon {
	background-color: black;
	color: white;
	display: block;
	width: 100%;
	position: absolute;
	right: 0;
	top: 0;
	font-family: Helvetica;
	font-size: 22px;

}



/*PHOTO*/


div.item2{
	font-family: "Cambria Math";
	padding-top: 0;
	margin-bottom:0;
	//background-color: rgba(200,200,200,1);

	font-size: 18px;
	text-align: left;
	overflow: hidden;
	position: relative;
	height: 100%;
	left: 0;
	display: inline-block;

}
.slide img{
	position: relative;
	top: -1.6em;

}

.info {
	position: relative;
	top: -2.8em;
	padding: 0.5em;
	border-top-right-radius: 0;
	border-top-left-radius: 0;
	color: antiquewhite;

}
.center2 {
	text-align: center;
	margin: auto;
	padding: 2%;
}

.center1{
	display: inline-block;
	text-align: left;
}

/*ARROWS*/

.item2 button{

	bottom: 12.7em;
	border-radius: 10%;
	height: 1.5em;
	width: 2em;
	font-size: 30px;
}

button.left  {
	display: inline-block;
	margin-left: 5%;
	//border-bottom-left-radius: 50%;
	background-color: lightgray;
}
button.right{
	display: inline-block;
	margin-left: 80%;
	//border-bottom-right-radius: 50%;
	background-color: lightgray;
}

button.left:hover{
	background-color: gray;
}

button.right:hover{
	background-color: gray;
}
div.item3{
	position: relative;
	font-family: "Cambria Math";

	margin: 40px;
}

div.item3 p{
	//font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 18px;
}
.listImage{
	width:15px;
}

/*FOOTER*/
footer{
	position: relative;
	text-align: center;
	padding: 3px;
	margin-top: 10px;
	bottom: 0;
	background: linear-gradient(to left, #2980b9, #6dd5fa, #ffffff);

}

@media screen and (max-width: 950px) {
	header{
		height: 300px;
	}
	nav a{
		top: 13.5em;
		font-size: 15px;
		padding: 0;
		margin: 5px;
		float: left;

	}
	nav a.icon {
		float: left;
		display: block;
	}

	div {
		font-size: 13px;
	}

	div.item1 a {
		font-size: 13px;
		padding: 0;

	}

}

h1 {
	font-size: 50px;
}

details {
	border-radius: 4px;
	padding: .1em;
	text-align: left;
	text-decoration: underline;

}

summary {
	font-weight: bold;
	margin: auto;
	padding: .1em;
	text-align: left;
	color: gray;
}


details[open] {
	text-decoration: none;
	padding: .1em;

}

details[open] summary {

	margin-bottom: .5em;

	color: black

}
details[open] summary b{

	background-color: lightgray;
	padding: 3px 5px 3px 5px;

}
summary:hover{
	color: black;

}

mark {
	background-color: yellow;
	color: black;
}

.priklad{

	background-color: #bfe9ff;//#AFDBF5;//#B0E0E6;//#A4DDED;//#B9D9EB;//#89CFF0;

	margin: auto;
	padding: 0.5em;

	border-radius: 10px;

}

.uloha{
	margin: auto;
	border: 1px solid #aaa;
	border-radius: 10px;
	padding: .5em;
	border-width: 2px;
}

div.literatura{
	text-align: center;
	font-family: "Cambria Math";

}

div.literatura p{
	font-size: 18px;
}


.actual u{
	font-weight: bold;
}

.pagination a {
	color: black;
	float: left;
	padding: 8px 16px;
	text-decoration: none;
	transition: background-color .3s;
}

/* Style the active/current link */
.pagination a.active {
	background-color: dodgerblue;
	color: white;
}

/* Add a grey background color on mouse-over */
.pagination a:hover:not(.active) {background-color: lightgray;}