body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    background-color: #000;
    color: #fff;
    text-align: center;
}
.container {
    padding: 50px 20px;
}
.highlight {
    color: red;
}
.promo {
    font-size: 1.2em;
    margin: 20px 0;
    color: #ccc;
}
.buttons {
    margin-top: 30px;
}
.btn {
    display: inline-block;
    padding: 15px 30px;
    margin: 10px;
    background-color: red;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    transition: background-color 0.3s;
}
.btn:hover {
    background-color: #900;
}
.btn.wa {
    background-color: #25D366;
}
.btn.wa:hover {
    background-color: #128C7E;
}