body {
  background-color: #1a1a1a;
  color: peru;
  font-family: 'Arial', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  overflow: hidden;
}
#container {
  max-width: 800px;
  width: 90%;
  text-align: left;
  padding: 20px;
  border-radius: 10px;
  background-color: #2d2d2d;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}
#content {
  font-size: 1.5rem;
  line-height: 1.6;
  margin: 20px 0;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
#progress {
  font-size: 1rem;
  color: #a0a0a0;
}
#timer {
  font-size: 1.2rem;
  color: #60a5fa;
  margin-top: 10px;
}
button {
  background-color: #3b82f6;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  margin: 10px;
}
button:hover {
  background-color: #2563eb;
}
.hidden {
  display: none;
}