.navbar {
  background-color: #333;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  width:100%;
}
.navbar a {
  display: inline-block;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 20px;
  text-decoration: none;
}
.navbar a:hover,.navbar a.active {
  background-color: #ddd;
  color: black;
}
@media screen and (max-width: 600px) {
  .navbar a {
    float: none;
    display: block;
    text-align: left;
  }
}