#navlist {
  list-style-type: none;
  margin: 0;
  padding 0;
  background: #f1f1f1;
  width: 200px;
  height: 100vh;
  position: fixed;
  float: left;
  top: 0%;
  left: 0%
}
#navbar {
  position: fixed;
  float: left;
  top: 0%;
  left: 0%;
}
li a, header {
  display: block;
  color: #000;
  padding: 15px; 16px;
  text-decoration: none;
}
li a:hover {
  background-color: #555;
  color: white;
}
header {
  font-size: 2vw;
}
main {
  position: relative;
  left: 23vw;
  margin-right: 400px;
}

@media (min-width: 600px) {
  #navlist {
    width: 15vw;
  }
}