#header {
  text-align: center;
}

#header h1 {
  font-size: 24px;
  margin: 0;
  font-family: verdana;
}

#nav-menu {
  list-style: none;
  text-align: center;
  margin: 0;
  padding:0;
  font-size: 20px;;
  font-family: verdana;
}

#nav-menu li {
  display: inline-block;
  margin: 0 10px;
}

body{font-size: 15px; 
     font-family: Verdana, Geneva, sans-serif;
     line-height:300%; 
  text-align: center;
     background-color: white}