html {
   
    min-height: 100%;
    
    
}

body {

    /* bottom = footer height */
	background: black;
	margin: 0;
	
}


nav {
	
	background-color: #E64A19;
}
			
nav ul {
	padding:0;
	margin:0;
	list-style: none;
	position: relative;
}
			
nav ul li {
	
	display:inline-block;
	background-color: #E64A19;
}
			
nav a {
	width: 7em;
	display:block;
	padding:1em;
	color:#FFF;
	text-decoration:none;
}
			
nav a:hover {
	background-color: RoyalBlue;
}

nav ul ul {
	min-width: inherit;
	display: none;
	position: absolute;
	top: 100%;
}

nav ul li:hover > ul {
	display:inherit;
}

nav ul ul li {
	min-width: inherit;
	float:none;
	display:list-item;
	position: relative;
}

.menu_selected {
	background: #177396;
}

button {
  --border: 5px;    /* the border width */
  --slant: 0.7em;   /* control the slanted corners */
  --color: #E64A19; /* the color */
  
  font-size: 35px;
  padding: 0.4em 1.2em;
  border: none;
  cursor: pointer;
  font-weight: bold;
  color: var(--color);
  background: 
     linear-gradient(to bottom left,var(--color)  50%,#0000 50.1%) top right,
     linear-gradient(to top   right,var(--color)  50%,#0000 50.1%) bottom left;
  background-size: calc(var(--slant) + 1.3*var(--border)) calc(var(--slant) + 1.3*var(--border));
  background-repeat: no-repeat;
  box-shadow:
    0 0 0 200px inset var(--s,#0000),
    0 0 0 var(--border) inset var(--color);
  clip-path: 
      polygon(0 0, calc(100% - var(--slant)) 0, 100% var(--slant),
              100% 100%, var(--slant) 100%,0 calc(100% - var(--slant))
             );
  transition: color var(--t,0.3s), background-size 0.3s;
}
button:focus-visible {
  outline-offset: calc(-1*var(--border));
  outline: var(--border) solid #000c;
  clip-path: none;
  background-size: 0 0;
}
button:hover,
button:active{
  background-size: 100% 100%;
  color: #fff;
  --t: 0.2s 0.1s;
}
button:active {
  --s: #0005;
  transition: none;
}



.home_back {
  	background-image: url("/img/backs/1.jpg");
	background-size: no-repeat;
	background-position: center;
	background-size: 100%;
	display: flex;
	flex-direction: column;
	min-height: 100%;
	
}

.topblock {
	background: black;
    /* bottom = footer height */
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    
	
	padding: 5px;
	padding-left: 4vh;
	
}

.site_title {

	color: white;
	text-align: center;
	font-family: Bitter;
	font-size: 2em;
}

.main_menu {
	font-family: Golos Text;
	color: white;
	font-size: 1.6em;
}


.footer{
	font-family: Golos Text;
	color:#FFF;
	flex: 0 0 auto;
	display: flex;
	align-content: space-around;
	justify-content: space-around;
	flex-flow: row wrap;
	background: black;
}

.break {
	flex-basis: 100%;
	height: 0;
}

.home_cent{
	font-family: Bitter;
	color: white;
	display: flex;
	align-content: space-around;
	justify-content: space-around;
	flex-direction: column;
	text-align: center;
	font-size: 125%;
	padding: 11vh 0vh;
	background: rgba(65, 105, 225, 0.1);
}

.home_cent_item {
	margin: 2vh 0vh;

}

.line_content {
	padding: 4vh;
	background: white;
	display: flex;
	justify-content: space-evenly;
	align-items: center;
	flex-wrap: wrap;
}

.line_pic {
	max-width: 100%;
	width: 35vw;
	
}

.line_txt {
	max-width: 100%;
	width: 30em;
	font-family: Golos Text;
	font-size: 155%
}


.line_txt_header {

	color: #E64A19;
	text-align: center;	

	
}



.line_txt_text {

	padding: 3vh  0 5vh 0 ;
}


.rtl {
	flex-direction: row-reverse;
}

.tocenter {
	
  	margin:auto;
  	display:block;
}

.bg_about {
  	background-image: url("/img/backs/msk.jpg");

	background-size: 100%;
	display: flex;
	flex-direction: column;
	min-height: 100%;
}

.ab_top_title_left {
	max-width:700px;
	color: white;
	background: rgba(70, 130, 180, 0.5);
	padding: 30vh 2vw;
	font-family: Golos Text;
	font-size: 375%;
}

.squares {
	display: flex;
	align-items: stretch;
	justify-content: center;
	flex-wrap: wrap;
	font-family: Golos Text;
	font-size: 125%
}


.square {
	padding: 3em 2em;
	display: flex;
	flex-direction: column;
	align-items: center;
	
	max-width: 300px;
	
}
.square > .fa-sharp{
  	color: MidnightBlue;
}

.sq_txt{

  	text-align: center;

}

.sq_head{
  	padding: 1em 0;
 }

.to_right{
	padding-right: 7vw;
	text-align: right;
	margin-left: auto; 
margin-right: 0;
	
}

.drieimg{
	display: flex;
	align-items: center;
	justify-content: space-around;
	align-content: space-around;

}

.drieimg > img{
	width: 20vw;

}