* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}


body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #76a6d5;
}

.container {
  text-align: center;
  background-color: #e5e3e3;
  padding:  2rem 4rem;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

button {
  padding: 0.8rem 1.7rem;
  font-size: 16px;
  border: none;
  border-radius: 5px;
  background-color: #2563eb;
  color: #fff;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #1e40af;
}

#message {
  margin-top: 1.5rem;
  font-size: 16px;
  color: #333;
}

#countdown {
  display: block;
  margin-top: 10px;
  font-weight: bold;
  color: #dc2626;
}

.hidden {
  display: none;
}