body {
      margin: 0 auto;
      padding: 0 auto;
      background: url('../Img/bck_1.jpg');
	  background-repeat: repeat-y;
	  background-attachment: fixed;
	  width:1000px;
	  height:1000px;
    }
	.nav {
		margin-top: 2%;
		
	}
   .nav ul {
      list-style: none;
      
	  background: rgba(4,4,4, .2);
      text-align: center;
      padding: 0 ;
      margin: 0 
	  
    }
	
	.nav li {
      font-family: 'Oswald', sans-serif;
      font-size: 1.2em;
      line-height: 40px;
      height: 40px;
      border-bottom: 1px solid #888;
	  width:100%;
	  text-align:left;
    }
	.nav a {
      text-decoration: none;
	  transition: .3s background-color;
      color: #e8e8ed;
	  
    }
	.nav a:hover {
      background-color: #000000;
	  
    }
	
	
	@media screen and (min-width: 600px)
	{
	.nav li {
      width: 20%;
      border-bottom: none;
      height: 50px;
      line-height: 50px;
      font-size: 1.4em;
	  text-align:center;
    }
	
	}
	.nav li {
      display: inline-block;
	  margin-right: -4px ;
    }
	
	.main_content {
		width: 80%;
		
		margin: auto;
		color: white;
		font-family: 'Oswald', sans-serif;
		font-size: 1.2em;
		background: rgba(4,4,4, .2);
	}
	.main_content p{
		padding:20px 20px 20px 20px;
		
		text-align: justify;
		color: white;
		font-family: 'Oswald', sans-serif;
		font-size: 1.2em;
		
	}
	
footer {
	text-align: center;
	padding: 3px;
	background: url('../Img/bck_1.jpg');
	  background-repeat: no-repeat;
	  background-attachment: fixed;
	}
	
	#expertise_table{
		width:100%;
		padding:20px 20px 20px 20px;
		
	}
	#expertise_table td{
		height:100px;
	}
	.videos {
		
		
		text-align: center;
		justify-content: center
	}
	#logo {
		opacity: 0.8;
	}
	#bul_ico {
		float: right;
		margin-top: 7%;
	}
	#eng_ico {
		float: right;
		margin-top: 7%;
	}