body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f4f4f9;
    margin: 0;
    padding: 0;
  }
  
  .container {
    max-width: 500px;
    margin: 50px auto;
    padding: 20px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
  }
  
  h1 {
    color: #333;
  }
  
  #question-box {
    margin-bottom: 20px;
  }
  
  #answer {
    width: 80%;
    padding: 10px;
    font-size: 30px;
    margin-bottom: 10px;
  }
  

  
  #keyboard button {
    margin: 2px;
    padding: 10px;
    font-size: 25px;
    cursor: pointer;
  }
  
  #submit {
    padding: 10px 20px;
    font-size: 16px;
    background: #007BFF;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  
  #submit:hover {
    background: #0056b3;
  }
  
  #feedback {
    margin-top: 20px;
    font-size: 16px;
    color: #007BFF;
  }
  #keyboard {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 5px;
    margin-top: 10px;
  }
  
  #keyboard .key {
    padding: 10px;
    font-size: 30px;
    border: 1px solid #ccc;
    background: #f4f4f4;
    cursor: pointer;
    border-radius: 5px;
  }
  
  #keyboard .key:hover {
    background: #ddd;
  }
  /* Style the navigation bar */
nav {
  width: 100%;
  background-color: #333;
}
nav ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
  text-align: center;
  background-color: #333;
}

nav ul li {
  display: inline;
  margin: 0 15px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-size: 18px;
  padding: 10px;
}

nav ul li a:hover {
  background-color: #575757;
  border-radius: 5px;
}