body {
         
            background-color: #5552;
			
        }
		
	
		

		
       header {
    text-align: center;
    background-color: blue;
    color: white;
    margin-top: 17px;
        }

   ul{
	list-style-type: none;
	margin: 0;
	padding: 0;
	background-color: green;
	text-align: center;
	position: fixed;
      	top: 0;
      	width: 100%;
	text-decoration: none;
  
    }

    li{
      	display: inline;
      	color: white;
	margin-right: 15px;
	text-decoration: none;
    }

    li a {
      color: white;
      text-decotation: none;
    }

  .active {
    color: blue;
  }