* {
  font-family: Arial, Helvetica, sans-serif;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  color: #333;
}

body {
  background: rgb(43, 43, 43);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  color: #f5f5f5;
}

.main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 90%;
  max-width: 600px;
  border-radius: 12px;
  background: #fff;
  padding: 20px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

button {
  font-size: 1.2rem;
  margin: 5px;
  padding: 10px 20px;
  background-color: #4caf50;
  border: none;
  border-radius: 8px;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
}

button:hover {
  background-color: #45a049;
}

button:active {
  background-color: #388e3c;
  transform: scale(0.98);
}

.quizst {
  padding: 20px;
  display: inline-block;
  text-align: center;
  width: 100%;
}

#wtQu {
  margin: 20px 0;
  padding: 15px;
  border: 2px solid #333;
  border-radius: 10px;
  background: #f9f9f9;
  font-size: 1.3rem;
  color: #333;
  text-align: center;
}
.pageNu {
  text-align: center;
  margin: 10px;
}

#result {
  margin-top: 20px;
  font-size: 1.2rem;
  color: #333;
}