body {
  margin: 0;
  background: #3c9bce;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  font-family: 'Fredoka', sans-serif;
}
canvas {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
}
#qr-container {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  font-size: 24px;
  background: #3c9bce;
  padding: 20px;
  border-radius: 10px;
}
#snap-countdown-container {
  display: none;
  position: absolute;
  font-family: 'Fredoka', sans-serif;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 1001;
}
#snap-countdown {
  font-size: 300px;
  color: white;
  z-index: 1002;
}
#countdown-instruction {
  font-size: 24px;
  color: white;
  margin-top: 20px;
  font-family: 'Fredoka', sans-serif;
  z-index: 1002;
}