html, body: {
	height: 100vh;
	width: 100vw;
	margin: 0;
	height: -webkit-fill-available;
}

body {
	font-family: Arial, Helvetica, sans-serif;
	display: flex;
	flex-direction: column;
	margin-top: 0px;
}

/* Style the header, height высота header */
header {
	position: fixed;
	padding: 0px;
	text-align: center;
	font-size: 35px;
	color: #948a8a;
	width: 100vw;
	height: 275px;
	z-index: 999;
}

header::before {
    content: '';
    position: absolute; 
    left: 0; right: 0; top: 0; bottom: 0;
    z-index: -1;
    background: url(background.jpg) center / cover no-repeat;
    filter: blur(5px);
}
   
footer {padding: 10px; /* Поля вокруг текста */
position: relative; /* Относительное позиционирование */
text-align:center;   
	   }

footer::before {
    content: '';
    position: absolute; /* Абсолютное позиционирование */
    left: 0; right: 0; top: 0; bottom: 0;
    z-index: -1;
    background: url(background.jpg) center / cover no-repeat;
    filter: blur(5px);
   }

h1 {
	color: #e8dede;
	font-family: 'Courgette', cursive;
	text-shadow: 0px 0px 5px rgb(37 33 33);
	background: linear-gradient(45deg, #afafa7 33%, #dedfee 66%, #e8dddd 100%);
	margin-block-start: 10px;
	margin-block-end: 10px;
	margin-top: 50px;
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent; 
}

h2 {
	margin-block-start: 0px;
	margin-block-end: 0px;
	margin-bottom: 25px;
}

/* Container for flexboxes */
section {
	padding-top: 275px; 
    width: 50%;
	margin: auto;
}

article {
	overflow: auto;
	padding-left: 10px;
}

@media screen and (max-width: 1090px) {
  header {
    height: 335px;
  } 
  section {
    padding-top: 335px;
	width: 80%;
  } 
}

@media screen and (max-width: 720px) {
  header {
    height: 395px;
  } 
  section {
    padding-top: 395px;
	width: 100%;
  } 
}

@media screen and (max-width: 595px) {
  header {
    height: 430px;
  } 
  section {
    padding-top: 430px;
	width: 100%;
  } 
}

/* Style the navigation menu */
nav {
	-webkit-flex: 1;
	-ms-flex: 1;
	flex: 1;
	background: #ccc;
	padding-left: 20px;
}
/* Style the list inside the menu */
nav ul {
	list-style-type: none;
	padding: 0;
}

.nav-secondary {
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
	-ms-flex-align: center;
	-webkit-align-items: center;
	align-items: center;
	margin-left: 10px;
	margin-right: 10px;
}

.nav-secondary_list {
	margin: 0 0 0 -12px;
	padding: 0;
	line-height: 1;
}

.nav-secondary_item {
	display: inline-block;
	margin: 0;
	font-weight: 700;
	font-size: 13px;
	font-family: PTSans, Arial, "Helvetica Neue", Helvetica, sans-serif;
	vertical-align: middle;
	color: #7b7b7b;
	text-transform: uppercase;
}

.nav-secondary_link {
	position: relative;
	display: block;
	padding: 8px 6px;
	font-weight: bold;
	color: #6d6868;
	text-decoration: none;
}

.nav-secondary_link::after {
	content: "";
	position: absolute;
	right: 8px;
	bottom: -1px;
	left: 8px;
	height: 3px;
	background: #7b7b7b;
	opacity: 0;
}
.nav-secondary_link:hover,
.nav-secondary_link:focus {
	color: #7b7b7b;
	text-decoration: none;
	outline: none;
}
.nav-secondary_link:hover::after,
.nav-secondary_link:focus::after {
	opacity: 1;
}

.pagemenu {
	color: #6d6767;
	font-family: 'Courgette', cursive;
}

.main_text {
	color: #6d6767;
	font-family: 'Source Sans Pro', sans-serif;
}

.footer_text {
	font-family: Arial, Helvetica, sans-serif;
	text-shadow: 0px 0px 5px rgb(37 33 33);
	color: #d0c7c7;
}

.post_image {
	width: 100%;
	max-width: 600px;
}

img {
	width: 100%;
	height: auto;
}

video {
	width: 100%;		
	height: auto;
}

.centered_container {
	display: flex;
	justify-content: center;
}

.collapsible {
	cursor: pointer;
	border: none;
	outline: none;
	background-color: white;
	padding-bottom: 10px;
	padding-left: 0px;
	font-size: 16px;
	text-align: left;
	min-width: 450px;
}

.collapsed_content {
	max-height: 0;
	overflow: hidden;
	padding-left: 12px;
	transition: max-height 0.2s ease-out;
}

.container_button {
  position: relative;
}

.btn {
  position: absolute;
  top: 50%;
  left: 73%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  background-color: #555;
  color: white;
  font-size: 18px;
  padding: 35px 75px;
  border: none;
  cursor: pointer;
  border-radius: 5px;
}

.btn:hover {
  background-color: black;
}