.navigation {
  margin: 0 2.5%;
}

.navigation__list {
  padding: 0;
  user-select: none;
  list-style: none;
  display: flex;
  justify-content: space-between;
}

.navigation__listItem {
  flex: 0 1 32.5%;
  text-align: center;
  white-space: nowrap;
}

.navigation__link {
  display: block;
  padding: 10px 1px;
  border-radius: 5px;
  border: none;
  box-shadow: 3px 1px 8px #222;
  background-color: #444;
  color: #eee;
  text-decoration: none;
  font-weight: bold;
  user-select: none;
}

.navigation__link:visited {
  background-color: #444;
}

.navigation__link:focus {
  outline: 4px solid #888;
}

.navigation__link:hover {
  background-color: #666;
}

.navigation__link:active {
  background-color: #222;
}