
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f7f7f7;
}

footer {
  text-align: center;
  margin-bottom: 2em;
  color: green;

}
header {
    background: #F0F8FF;
    color: green;
    padding: 20px;
    text-align: center;
    font-size: 28px;
}
main {
    padding: 20px;
}
.book {
    margin-bottom: 40px;
}
iframe {
    width: 100%;
    height: 500px;
    border: 1px solid #ccc;
    margin-bottom: 10px;
}

.donate {
    margin-top: 50px;
    text-align: center;
    color: green;
}
form input[type="submit"] {
    background: #ffc439;
    color: #000;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}
