body {
  font-family: Arial, sans-serif;
  background-color: #f4f6f8;
  margin: 0;
  padding: 0;
}

.container {
  width: 80%;
  max-width: 600px;
  margin: 50px auto;
  text-align: center;
}

h1 {
  margin-bottom: 30px;
}

.flashcard {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  min-height: 200px;
}

#question {
  margin-bottom: 20px;
}

#answer {
  margin-bottom: 20px;
  color: #333;
  font-weight: bold;
}

.hidden {
  display: none;
}

button {
  padding: 10px 18px;
  margin: 10px 5px;
  border: none;
  border-radius: 8px;
  background-color: #2d89ef;
  color: white;
  cursor: pointer;
  font-size: 16px;
}

button:hover {
  background-color: #1b5fbf;
}

.navigation {
  margin-top: 20px;
}

.form-section {
  margin-top: 30px;
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.form-section input {
  width: 90%;
  padding: 12px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 15px;
}