body {
	background-color: #abbbc3;
	color : #000000;
	font-family: "Verdana CE", "Arial CE", Verdana, Arial, sans-serif;
	font-size: 14pt;
	text-align: left;
}

/* Menu */
.headerbar {
	background-color: #004488;
	border-width: 0;
	height: 4px;
	margin: -25px -25px 20px -25px;
	}

.navbar {
	background-color: #004488;
	margin: 0px -25px;
	overflow: hidden;
	}

.navbar_sel {	
	background-color: #0055aa;
	}	
	  
.navbar a {
	color: white;
	float: left;
	font-size: 16px;
	padding: 20px 16px;
	text-align: center;
	text-decoration: none;
	}

button {
	line-height: 1.75em;
	}
	
.dropdown {
	float: left;
	overflow: hidden;
	}

.dropdown .dropbtn {
	background-color: inherit;
	border: none;
	color: white;
	font-family: inherit;
	font-size: 16px;  
	margin: 0;
	outline: none;
	padding: 20px 24px;
	}
	 
.navbar a:hover, .dropdown:hover .dropbtn {
	background-color: #2a2a2a;
	color: #ffffff;
	}
	  
.dropdown-content {
	background-color: #2a2a2a;
	box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
	display: none;
	min-width: 160px;
	position: absolute;
	z-index: 1;
	}
	  
.dropdown-content a {
	display: block;
	float: none;
	padding: 6px 16px;
	text-align: left;
	text-decoration: none;
	}
	  
.dropdown-content a:hover {
	background-color: #404040;
	color: #ffffff;
	}
	  
.dropdown:hover .dropdown-content {
	display: block;
	}

	
/* FooterBar */	
.footerbar1 {
	background-color: #2A2A2A;
	margin: 20px -25px 1px -25px;
	}

.footerbar2 {
	background-color: #004488;
	color: #ffffff;
	font-family: Times New Roman;
	font-size: 10pt;
	margin: 0px -25px -25px -25px;
	padding: 0px 20px 7px 0px;
	text-align: right;
	}


/* Tags */	
a {
	color: #004488;
	text-decoration: none;
	word-wrap: break-word;
	}

a:hover {
	color: #ff6600;
	}

h1 {
	font-size: 30pt;
	line-height: 1.5em;
	text-align: center; 
	}

h2 {
	color: #004488;
	font-size: 28pt;
	line-height: 1.1em;
	margin: 40px 0px 25px 0px;
	padding: 0px 0px 0px 0px;
	text-align: left; 
	}

h3 {
	font-size: 20pt;
	margin: 35px 0px 5px 0px;
	padding: 0px 0px 0px 0px;
	}

h4 {
	color: #ee6600;
	font-size: 14pt;
	line-height: 1.1em;
	margin: 20px 0px 0px 0px;
	padding: 0px 0px 0px 0px;
	}

h5 {
	color: #000000;
	font-size: 14pt;
	line-height: 1.1em;
	margin: 15px 0px 0px 0px;
	padding: 0px 0px 0px 0px;
	}

p {
	margin: 0px 0px 0px 0px;
	padding: 10px 0px 0px 0px;
	}

ul {
	margin: 0px 0px 0px 0px;
	padding: 5px 0px 5px 40px;
	}

.figure {
	margin: 20px auto 10px auto;
	text-align: center;
	width: 60%;
	}

.div_main {
	background-color: #ffffff;
	color: #000000;
	line-height: 1.5em; 
	margin: 0 auto; /* Pro centrování divu */
	max-width: 75%;
	padding: 25px;
	/*width: 98%;*/
	}
	@media only screen and (min-width: 1500px) {
		.div_main {
			max-width: 65%;
            }
        }
	@media only screen and (min-width: 1650px) {
		.div_main {
			max-width: 62%;
            }
        }
	@media only screen and (min-width: 1800px) {
		.div_main {
			max-width: 55%;
            }
        }
	@media only screen and (max-width: 1300px) {
		.div_main {
			max-width: 80%;
            }
        }
	@media only screen and (max-width: 1110px) {
		.div_main {
			max-width: 98%;
            }
        }
	/*
    width: 98% nastaví šířku divu na 98% šířky rodičovského prvku.
    max-width: 75% zajistí, že šířka divu nepřesáhne 75% šířky rodičovského prvku.
    @media (min-width: 1500px) je media query, která upraví šířku divu na 65% pro obrazovky s šířkou větším než 1500 pixelů1.
    @media (max-width: 1100px) je media query, která upraví šířku divu na 98% pro obrazovky s šířkou menší než 1100 pixelů1.
	*/

.div2 {
	width: 40%
	}
	@media only screen and (max-width: 500px) {
		.div2 {
			width: 100%
            }
        }
		
.div3 {
	width: 40%
	}
	@media only screen and (max-width: 500px) {
		.div3 {
			width: 100%
            }
        }
		
.div_wrap {
	display: flex;
	}
	@media only screen and (max-width: 1023px) {
		.div_wrap {
			display: block;
            }
        }

.refer p {
	padding-left: 37px;
	text-align: left;
	text-indent: -27px;
	}
	

/* Image Gallery*/
.image_gallery {
	margin: 10px 50px;
	text-align: center;
}

.image_gallery img {
	filter: grayscale();
	height: 100px;
	padding: 5px;
	transition: 1s;
}

.image_gallery img:hover {
	filter: grayscale(0);
	transform: scale(1.1);
}

.single_image_display {
	background-color: rgba(0, 0, 0, 0.9);
	display: none;
	height: 100%;
	left: 0;
	padding-top: 80px;
	overflow: auto;
	position: fixed;
	top: 0;
	width: 100%;
	z-index: 1;
}

.image_content {
	display: block;
	margin: auto;
	max-height: 80%;
	max-width: 80%;
}

.close_button {
	color: white;
	cursor: pointer;
	font-size: 50px;
	font-weight: bold;
	position: absolute;
	right: 30px;
	top: 20px;
}

.prev_arrow, .next_arrow {
	color: white;
	cursor: pointer;
	font-size: 40px;
	font-weight: bold;
	margin-top: -22px;
	padding: 16px;
	position: absolute;
	top: 50%;
	transition: 0.6s ease;
	width: auto;
	user-select: none;
}

.prev_arrow {
	left: 0;
}

.next_arrow {
	right: 0;
}

.prev_arrow:hover, .next_arrow:hover {
	background-color: rgba(255, 255, 255, 0.8);
}