body {
  font-family: sans-serif;
  background-color: #e0e0e0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
}

.countdown-container {
  background-color: #006699;
  color: white;
  padding: 40px;
  border-radius: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  text-align: center;
  position: relative;
  width: 90%;
  max-width: 600px;
  box-sizing: border-box;
}

.title {
  font-size: 2.5em;
  font-weight: bold;
  margin-bottom: 20px;
}

.timer {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.time-segment {
  margin: 0 15px;
}

.time-segment span {
  font-size: 4em;
  font-weight: bold;
  display: block;
}

.label {
  font-size: 0.8em;
}

.separator {
  font-size: 3em;
  margin: 0 10px;
}

@media (max-width: 600px) {
  .countdown-container {
    padding: 20px;
    width: 95%;
  }

  .title {
    font-size: 1.8em;
  }

  .time-segment {
    margin: 0 8px;
  }

  .time-segment span {
    font-size: 2.5em;
  }

  .label {
    font-size: 0.7em;
  }

  .separator {
    font-size: 2em;
    margin: 0 5px;
  }

}