body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 20px;
}

h1 {
    text-align: center;
    color: #333;
}

.form-container {
    width: 90%;
    max-width: 600px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

label {
    display: block;
    margin: 15px 0 5px;
    font-weight: bold;
}

input[type="text"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    width: 100%;
    padding: 10px;
    border: none;
    background-color: #007bff;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    border-radius: 4px;
}

button:hover {
    background-color: #0056b3;
}

#results {
    width: 90%;
    max-width: 600px;
    margin: 20px auto;
}

.book-recommendation {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    line-height: 1.6;
}

.book-recommendation br {
    margin-bottom: 10px;
}