nav2.css

.header {
  padding: 60px;
  text-align: center;
  background: #1abc9c;
  color: white;
  font-size: 30px;
  margin: 0;
}

.sidenav {
  height: 100%;
  width: 15%;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: #003366;
  padding-top: 10px;
  padding-left:5px;
  font-family:Arial;
  
}


.sidenav a,.dropdown-btn {
  padding: 6px 8px 6px 16px;
  text-decoration: none;
  font-size: 20px;
  color: #bfbfbf;
  display: block;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  outline: none;
}

.sidenav a:hover, .dropdown-btn:hover {
  color: #f1f1f1;
}


.active {
  background-color: #004d99;
  color: white;
}


.dropdown-container {
  display: none;
  background-color: #004d99;
  padding-left: 8px;
}



i {
  border: solid white;
  border-width: 0 3px 3px 0;
  display: inline-block;
  padding: 3px;
}

.down {
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
}



@media screen and (max-height: 450px) {
  .sidenav {padding-top: 15px;}
  .sidenav a {font-size: 18px;}
}

.topnav {
  overflow: hidden;
  background-color: #003366;
  margin:0px;
  vertical-align:top;
  width: 100%;
  height:9%;
  position: fixed;
  x-index: 1;
  top: 0;
  left: 0;
  
  
}

.topnav a {
  float: right;
  text-align: center;
  padding: 20px 22px;
  text-decoration: none;
  font-size: 20px;
  font-family:Arial;
  color: #bfbfbf;
  display: block;
  border: none;
  background: none;
  cursor: pointer;
  outline: none;
}

.topnav a:hover {
  color: #f1f1f1
}

.topnav a.active {
  background-color: #4CAF50;
  color: white;
}

div.head {
width:78%;
font-family:Arial;
background-color:#e6e6e6;
color:#003366;
float:right;
margin-top:80px;
margin-right:53px;
margin-left:0px;
top: 0;
right: 0;
overflow:hidden;
}