body{
background-image: url("images/background.jpg");
background-repeat:no-repeat;
 background-size:cover;
font-family:calibri;
}

.clear{clear:both;}
.prezentacije{float:left; width:100%;}

.prezentacije img:hover{box-shadow: 0 0 4px 5px rgba(255,255,255, 0.3);}
h1{color:white;}

footer{width:100%;
color:white;
margin-top:5%;}


@media screen and (min-width: 901px) {

.prezentacije img {width:15%;}
.prezentacije img:nth-child(n+10){height:110px;}

main{width:70%; margin: 0 auto;
}
header{float:left;}

nav li{float:left;
	width:14%;
	list-style-type:none;}



 nav a {
	color: white;
	width:70%;
	height:30px;
	display:block;
	font-weight:bold;
	font-size:18px;
	text-align:center;
	text-decoration:none;
	padding:10% 4% 10% 4%;
	margin-right:200px;
	transition:background-color 1s ease;
		
}

header img{display:block; margin:0 auto;}









/*
section{width:50%; color: white; float: left;}

.mySlides {display:none;}

.prezentacija{width:100%;
float:left;
margin-top:20px;

}
*/
/*
div.img {
    margin: 5px;
    border: 1px solid #ccc;
    float: left;
    width: 180px;
}

div.img:hover {
    border: 1px solid #777;
}

div.img img {
    width: 100%;
    height: auto;
}

div.desc {
    padding: 15px;
    text-align: center;
}


*/


}


@media screen and (min-width: 501px) and  (max-width: 900px) {
.prezentacije img {width:15%;}	

main{width:100%; margin: 0 auto;
}
header{float:left;}

nav li{float:left;
	width:25%;
	list-style-type:none;}



 nav a {
	color: white;
	width:70%;
	height:30px;
	display:block;
	font-weight:bold;
	font-size:18px;
	text-align:center;
	text-decoration:none;
	padding:10% 4% 10% 4%;
	margin-right:200px;
	transition:background-color 1s ease;
		
}

header img{display:block; margin:0 auto;}


}




@media screen and (max-width: 500px) {
	
.prezentacije a{display:block;}
.prezentacije img {width:95%;}

main{width:100%; margin: 0 auto;
}
header{float:left;width:95%;}
header a img{width:90%;}

nav li{float:left;
	width:90%;
	list-style-type:none;}



 nav a {
	color: white;
	width:70%;
	height:30px;
	display:block;
	font-weight:bold;
	font-size:18px;
	text-align:center;
	text-decoration:none;
	padding:10% 4% 10% 4%;
	margin-right:200px;
	transition:background-color 1s ease;
		
}

header img{display:block; margin:0 auto;}


}