body {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  height: 100vh;
  margin: 0;
  background: #000000;
  overflow: hidden;
  font-family: 'Orbitron', sans-serif;
  color: #ffffff;
}

.shooting-star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: #ffffff;
  opacity: 0;
  animation: shootingStar linear infinite;
}

#countdown-clock {
  font-size: 2.2em;
  margin-top: 20px;
}

#typed-text {
  text-align: center;
  font-size: 1em;
  margin-top: 20px;
  white-space: pre-line;
  overflow: hidden;
  border-right: 2px solid #ffffff;
  padding-right: 5px;
}

#pc-time {
  position: fixed;
  top: 10px;
  right: 10px;
  color: #ffffff;
  font-size: 0.8em;
}

#mute-button {
  position: fixed;
  top: 10px;
  left: 10px;
  color: #ffffff;
  cursor: pointer;
  font-size: 0.8em;
}

@keyframes shootingStar {
  0% {
    opacity: 1;
    transform: translate(0, 0);
  }
  100% {
    opacity: 0;
    transform: translate(-100vw, -100vh);
  }
}