.menu {
  background-color: #333;
  overflow: hidden;
  display: flex;
  top: 0;
}
.menu a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}
.menu a:hover {
  background-color: #ddd;
  color: black;
}
.menu a.active {
  background-color: #b145ff;
  color: white;
}