<edited title by mod>

HTML-CSS
1 
body {
    background-color: #0f0f0f;
    color: white;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-align: center;
    padding: 50px;
}

.container {
    background-color: #1e1e1e;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
    max-width: 500px;
    margin: auto;
}

.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 15px 30px;
    background-color: #00cc66;
    color: white;
    text-decoration: none;
    font-size: 18px;
    border-radius: 8px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #00994d;
}
2

Hello there,

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