body {
    background-color: #36393F;
    color: #FFFFFF;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.container {
    width: 400px;
    margin: 100px auto;
    background-color: #2C2F33;
    border-radius: 5px;
    padding: 20px;
}

.header {
    text-align: center;
    margin-bottom: 20px;
}

.content {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
}

textarea {
    width: 100%;
    padding: 5px;
    border: 1px solid #72767D;
    border-radius: 3px;
    background-color: #202225;
    color: #FFFFFF;
}

.btn-submit {
    width: 100%;
    padding: 8px 0;
    border: none;
    border-radius: 3px;
    background-color: #7289DA;
    color: #FFFFFF;
    cursor: pointer;
}

.result {
    margin-top: 10px;
}

.sentiment-result {
    font-size: 15px;
    margin-top: 5px;
}

.positive {
    color: #03fc1c;
    font-weight: bold;
}

.negative {
    color: #ff050d;
    font-weight: bold;
}

.neutral {
    color: #f2f8fc;
}