/* общие */
html, body {
	position: relative;
	height: 100%;
}
body {
	max-width: 100vw;
	margin: 0 auto;
}
/* шапка */
header {
	min-height: 60px;
	height: 10%;
	background: #215D8E;
	color: white;
}
.zagolovok {
	padding-left: 50px;
	padding-top: 10px;
}
header .i {
	background-image: url('../images/calendar.png');
	background-repeat: no-repeat;
	width:16px; 
	height:16px; 
	display:inline-block;
	vertical-align:center;
	padding-right: 8px;
}
header h2 {
	padding-top: 10px;
	font-size: 1.6em;
	display: inline-block;
}
header #tek_ned {
	display: inline-block;
	padding-left: 50px;
	font-size: 1.1em;
	color: #9BEEB0;
}
header .ssilka_glav {
	position: absolute;
	top: 25px;
	right: 30px;
}
header .ssilka_glav a, header .ssilka_glav a:visited {
	color: #dddddd;
	font-size: 1em;
}
header .ssilka_glav a:hover {
	color: white;
}


/* основное содержимое */
.content {
	height: 80%;
	width: 100%;
	box-sizing: border-box;
}
/* левая область */
nav {
	width: 15%;
	background: white;
	float: left;
	padding: 10px;
	box-sizing: border-box;
	
}
nav img {
	width: 100%;
}
nav select {
	width: 100%;
	padding: 10px;	
	padding-right: 20px;
}
nav option {
	padding-left: 20px;
	margin-top: 25px;
}

.vibor_gruppi {
    
}
.vibor_gruppi p, .vibor_teacher p {
	padding-bottom: 10px;
}
h4 {
	color: red;
	font-size: 1.4em;
	text-align: center;
}
/* правая область */
main {
/*     float: right;
width: 85%;
background: white;
padding: 30px;
box-sizing: border-box; */
}
main .vasha_gruppa {
	text-align: center;
	font-size: 1.2em;
}
main h3 {
	padding: 20px;
	font-size: 1.2em;
	text-align: center;
	font-weight: normal;
}
.ogidanie {
	padding-top: 150px;
	padding-left: 10%;
}
.block_print {
	float: right;
}
.icon_print {
	background-image: url('../images/printer.png');
	background-repeat: no-repeat;
	width:24px; 
	height:24px; 
	display:inline-block;
	vertical-align:bottom;
	padding-right: 8px;
}

/* подвал */
footer {
	clear: both;
	height: 10%;
	width: 100%;
	position: relative;
	left: 0px;
	bottom: 0px;
}
footer p {
	height: 100%;
	background: #215D8E;
	text-align: center;
	padding: 20px 0;
	color: #ddd;
}
#call, #back {
	display: block;
	padding-top: 10px;
}
#call img, #back img {
	height: 40px;
	vertical-align: middle;
}

@media print { /* Стиль для печати */
	header, nav, footer {
		display: none;
	}
	main {
		height: 700px;
		width: 100%;
		background: white;
		padding: 20px;
		border: none;
		font-family: Georgia, 'Times New Roman', Times, serif; 
		color: black;
	}
	#tab>table {
		box-shadow: none;
	}
	table td {
		font-family: Georgia, 'Times New Roman', Times, serif;
		font-weight: normal;
		font-size: .7em;
		padding-top: 5px;
		padding-bottom: 20px;
		color: black;
	}
	td.para {
		font-size: .7em;
		
	}
	td:first-child, tr:first-child {
		background: white;
		color: black;
	}
	table.tab_podgruppa td {
		padding: 10px 4px 3px 4px;
	}
	
	main h3 {
		padding: 10px;
		padding-bottom: 20px;
		font-size: 1.2em;
		color: black;
	}
	.block_print {
		display: none;
	}
}