body {
	font-family: Arial, sans-serif;
	padding: 0;
	margin: 0;
	color: #000000;
	min-width: 830px;
}

a{
	text-decoration: none;
}
.clearfix:after {
	content:'';
	display: table;
	width: 100%;
	clear: both;
}

div {
	box-sizing: border-box;
}
.container {
	width: 830px;
	margin: 0 auto;
}

header{
	height: 11.5vh;
	background-color: #000000;
	color: #fff;
}

header img{
	float:left;
	
}

nav {
	float: right;
	margin-top: 35px;
	margin-right: 25px;
}

.menu {
	padding: 0;
	margin: 0;
	display: block;
}

.menu li {
	float: left;
	display: block;
	margin-right: 41px;
}

.menu a {
	color: #fff;
	text-transform: uppercase;
	font-size: 14px;
}

.main_page_info{
	background-color: #101F2C;
	height: 88.5vh;
}

.title{
	color:#fff;
	text-transform: uppercase;
}

.photos{
	margin-left: 100px;
	margin-top: 30px;
}

.strelka{
	margin-top: 20px;
	margin-left: 365px;
}

.coll{
	height: 90vh;

}

.coll h1{
	text-transform: uppercase;
	margin-top: 60px;
	font-size: 30px;
}

.for_student{
	height: 100vh;
}

.for_student{
	text-transform: uppercase;
	font-size: 20px;
	margin-top: 20px;
}

.coronavirus_info{
	margin-top: 370px;
}

.social_friend{
	height: 90vh;
}

.social_friend h1{
	text-transform: uppercase;
	font-size: 30px;
	margin-top: 40px;
}

.social_friend p{
	margin-left: 30px;
}

.zavod1{
	margin-left: 30px;
}

.photos2{
	margin-left: 55px;
}

.map{
	height: 60vh;
}

.map h1{
	font-size: 30px;
	text-transform: uppercase;
	margin-top: -140px;
}

.mapka{
	width: 100%;
}

.numbers{
	width: 100%;
}

footer{
	height: 30vh;
	background-color: #282828;
	margin-top: 300px;
	text-transform: uppercase;
	color: #fff;
}

.dev{
	margin-top: 45px;
	float: left;
	font-size: 13px;
}

.phone{
	float: right;
	font-size: 13px;
	margin-top: 30px;
}