* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

/* Style the header */
.header {
  overflow: hidden;
  background-color: #f1f1f1;
  text-align: left;
  position: left;
  font-size: 35px;
  width: 100%;
  height: 200px;
  padding: 14px;
  color: #017CC0
}

/* header navigation links */
.header a {
	text-decoration: none;
  color: black;
  padding: 16px;
}
  
 .header a:hover {
  background-color: #ddd;
  color: black;
}

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


/* Style the side navigation */
.sidenav {
  height: 100%;
  width: 150px;
  position: fixed;
  z-index: 1;
  top: 1;
  left: 0;
  background-color: #017CC0;
  overflow-x: hidden;
}

/* Side navigation links */
.sidenav a {
  color: white;
  padding: 16px;
  text-decoration: none;
  display: block;
}

/* Change color on hover */
.sidenav a:hover {
  background-color: #ddd;
  color: black;
}

/* Style the content */
.content {
	margin-top: 75px;
  margin-left: 75px;
  padding-left: 20px;
  color: #017CC0;
}