body {
  background: #111;
  color: #eee;
  font-family: sans-serif;
  padding: 1em;
}
h1 {
  text-align: center;
  margin-bottom: 1em;
}
.grid {
  display: grid;
  gap: 1em;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.column {
  background: #222;
  padding: 1em;
  border-radius: 8px;
}
.column h2 {
  text-align: center;
  margin-top: 0;
}
.city {
  display: flex;
  justify-content: space-between;
  font-size: 0.95em;
  padding: 0.2em 0;
}
.time {
  font-weight: bold;
}

.city-list {
  display: flex;
  flex-direction: column;
  gap: 0.3em;
  padding: 1em;
  background: #222;
  border-radius: 8px;
  max-width: 600px;
  margin: 0 auto;
}
.city-list .city {
  display: flex;
  justify-content: space-between;
  padding: 0.2em 0;
  border-bottom: 1px solid #333;
}
.nav-link {
  text-align: center;
  margin-bottom: 1em;
}
.nav-link a {
  color: #9cf;
  text-decoration: none;
}