body {
    font-family: Arial, sans-serif;
    background-color: #0e0e0e;
    color: #fff;
    text-align: center;
    padding-top: 50px;
}
.container {
    max-width: 600px;
    margin: 0 auto;
}
#sentiment {
    margin-top: 30px;
    font-size: 24px;
    font-weight: bold;
}