@-ms-viewport { 
  width: device-width; 
}
html {
	font-size: 16px;
	font-family: Arial;
	line-height: 1.5;
	background-color: black;
	background-image: url('pozadi.jpg'); 
	background-repeat: no-repeat; 
	background-position: top center;
	background-attachment: fixed;
}		
body {
	margin: 20px 0px 0px 0px;
}
#page {
	text-align: center;
}
#main {
	max-width: 900px;
	margin: 0px auto 0px auto;
	border: 10px solid brown;
}
.nadpis {
	font-size: 300%;
}
h1 {
	font-size: 130%;
	color: DimGray;
	font-weight: normal;
	margin: 0px;
}
.h1_hodnoceni {
	font-size: 300%; 
	text-align: center; 
	background-color: lime; 
	color: black; 
	border: 1px solid black;
	padding: 5px;
}
h2 {
	font-size: 130%;
	color: DimGray;
	font-weight: normal;
	margin: 0px;
	min-height: 70px;
	display: flex;
	justify-content: center;
	align-items: center;
}
h3 {
	font-size: 150%;
	color: DimGray;
	font-weight: normal;
	margin: 0px;
}
.levy_pruh {
	width: 20%;
	min-height: 450px;
	float: left;
}
.stred {
	width: 60%;
	min-height: 450px;
	float: left;
}
.pravy_pruh {
	width: 20%;
	min-height: 450px;
	margin-left: 80%;
}
.otazka_blok {
	display: block;
	min-height: 435px;
	border: 1px solid black;  
	text-align: center;
}
.otazka {
	text-align: justify;
	padding: 10px;
	cursor: default;
	margin: 20px 20px 10px 20px; 
	border: 1px solid black;
}
.otazka_obrazek {
	width: 84%; 
	margin-left: 8%;
}
.odpoved_blok {
	width: 90%; 
	margin: 0px auto 10px auto;
}
.odpoved {
	cursor: pointer;
	border: 1px solid black;
	width: 45%;
	float: left;
	margin: 10px 2.25% 10px 2.25%;
}
.video-container {
	position:relative;
	padding-bottom:56.25%;
	padding-top:30px;
	height:0;
	overflow:hidden;
}
.video-container iframe, .video-container object, .video-container embed {
	position:absolute;
	top:0;
	left:0;
	width:100%;
	height:100%;
}
.float_reset {
	clear: both;
	font-size: 1px;
}

@media screen and (max-width: 750px) {

html {
	background-color: white;
	background-image: none;
}	
body {
	margin: 0px 0px 0px 0px;
}
.odpoved {
	float: none;
	margin: 15px auto 0px auto;
	width: 80%;
}
h1 {
	font-size: 110%;
}
.h1_hodnoceni {
	font-size: 200%; 
}
h2 {
	font-size: 110%;
}
.levy_pruh {
	display: none;
}
.stred {
	float: none;
	width: 80%;
	margin: 0px auto 0px auto;
	min-height: 300px;
}
.pravy_pruh {
	display: none;
}
.otazka_blok {
	margin-bottom: 20px;
}
.otazka_obrazek {
	width: 100%; 
	margin-left: 0px;
}