body {
    font-family: Arial, sans-serif;
    background: #0b5e3c;
    color: white;
    margin: 0;
    padding: 40px 20px;
}
.container {
    max-width: 1000px;
    margin: auto;
}
ul {
    padding-left: 20px;
}
a {
    color: #fff;
}
.whatsapp-btn {
    display: inline-block;
    margin-top: 30px;
    padding: 15px 30px;
    background: white;
    color: #0b5e3c;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
}
footer {
    margin-top: 40px;
    font-size: 14px;
}