* {
    box-sizing: border-box;
}
body{
    font-family: Arial, sans-serif;
    font-size: 0.7em;
    background-color: #333;
    margin: 0;
    padding: 0;
    color: white;
}
h1{
    font-size: 3em;
    text-align:center;
    margin: 0;
    text-shadow: 0px 3px 1px black;
}
h2{
    margin: 4px 0;
}
a{
    text-decoration: none;
}
ul{
    margin: 0 2px;
    padding: 0 0 0 6px;
}
li{
    padding: 10px 15px;
    margin: 3px 0;
    list-style-type: none;
    border-radius: 5px 0 0 5px;
    min-height: 1em;
    color: rgba(128,128,128, 0.5);
}
li.crna{
    margin: -15px 0 -12px 45px;
    padding: 5px 0 5px 10px;
    min-height: .7em;
    z-index: 6;
}
li.bijela{
    padding: 12px 0 14px 10px;
    margin: 2px 0;
    z-index: 5;
}
.bijela{
    background: linear-gradient(0deg, rgba(180,180,180,1) 0%, rgba(255,255,255,1) 72%, rgba(170,170,170,1) 100%);
}
.bijela a{
    color: black;
}
.crna{
    background: linear-gradient(0deg, rgba(19,19,19,1) 0%, rgba(0,0,0,1) 72%, rgba(124,124,124,1) 100%);
}
.crna a{
    color:white;
}
#header{
	background-color: #790000;
    background: linear-gradient(0deg, rgba(121,0,0,1) 0%, rgba(158,0,0,1) 50%);
	padding: 20px 0;
	position: relative;
	width:100%;
    border-bottom: 1px solid white;
    box-shadow: 5px 0 10px black;
    z-index: 10;
    margin-bottom: 15px;
}
#header a{
	color: #fff;
	text-decoration: underline dotted #fff;
}
#content{
    width: 100%;
    float: left;
}
#content img.lefty{
    border: 2px solid white;
    border-radius: 10px;
    box-shadow: 0 10px 10px black;
    float: left;
    margin: 10px 10px 10px 0;
}
#content img.righty{
    border: 2px solid white;
    border-radius: 10px;
    box-shadow: 0 10px 10px black;
    float: right;
    margin: 10px 0 10px 10px;
}
#top{
    margin: 0;
    position: fixed;
    top:10px;
    text-align: center;
    width: 20%;
    max-width: 204px;
    z-index: 2;
}
#top a, #top a:visited{
    border: none;
}
#top img{
    width: 30%;
}
.nav{
	width: 20%;
    position: fixed;
    top: 100px;
    border-right: 35px solid black;
    box-shadow: 0 0 10px #111;
    background-color: black;
    border-radius: 10px;
}
.nav li{
    position: relative;
}
#izbornik_otvori, #izbornik_zatvori{
    display: none;
}
#col{
	width: 77%;
	text-align: justify;
	margin: 0 0 0 21%;
}
#col a, #col a:visited{
    color: #b53535;
    border-bottom: 1px dashed #555;
}
#col ul, #col li{
    color: #fff;
    padding: 9px 0;
    margin: 0;
}
#col div{
    clear: both;
}

summary:before{
	content: "";
	border-width: 0.4rem;
	border-style: solid;
	border-color: transparent transparent transparent #fff;
	position: absolute;
	top: 1.3rem;
	left: 1rem;
	transform: rotate(0);
	transform-origin: 0.2rem 50%;
	transition: 0.25s transform ease;
}
summary{
	list-style: none;
	margin: 10px 0;
}

details[open] > summary::before {
  transform: rotate(90deg);
}

.divTable{
	display: table;
  	margin: 0 auto;
	text-align: left;
}
.divTableRow {
	display: table-row;
}
.divTableHeading {
	background-color: #EEE;
	display: table-header-group;
}
.divTableCell, .divTableHead {
	border: none;
	display: table-cell;
	padding: 3px 10px;
}
.divTableHeading {
	background-color: #EEE;
	display: table-header-group;
	font-weight: bold;
}
.divTableFoot {
	background-color: #EEE;
	display: table-footer-group;
	font-weight: bold;
}
.divTableBody {
	display: table-row-group;
}
.divTablereveal{
	cursor: pointer;
	position: relative;
	transition: 0.15s height linear;
	width: 50%;
	margin: 0 auto;
	text-align: center;
}

@media only screen and (orientation: portrait) {
    h1{
		font-size: 6em;
	}
	h2{
        margin-top: 100px;
    }
    #header{
        position: fixed;
        border-bottom: 2px solid white;
        box-shadow: 5px 0 20px black;
    }
    #izbornik {
        display: none;
    }
    #izbornik:target {
        display: block;
    }
    #izbornik_otvori, #izbornik_zatvori{
        display: block;
        position: relative;
        z-index: 100;
        color: white;     
    }
    
    #col{
        width: 93%;
        text-align:left;
        margin: 0 auto;
        font-size: 3em;
    }
	.divTablereveal{
		font-size: 4em;
		width: 100%;
	}
}
@media only screen and (min-width: 1025px) {
    .nav{
        width: 20%;
        max-width: 204px;
        position: fixed;
        top: 100px;
    }
    #col{
        width: 80%;
        text-align:justify;
        margin: 0 0 0 18%;
        font-size: 1.3em;
    }
    #col li{
        font-size: 1.5em;
    }
}