body {
    font-family: sans-serif;
    max-width: 500px;
    margin: 40px auto;
    text-align: center;
}

.btn {
    display: block;
    margin: 15px auto;
    padding: 12px 20px;
    background: #6a4df5;
    color: white;
    text-decoration: none;
    border-radius: 8px;
}

textarea {
    width: 100%;
    height: 120px;
    margin-top: 10px;
}