body {
    font-family: 'Arial', sans-serif;
    background-color: #1e1e1e;
    color: white;
}

#title {
    margin-bottom: 20px;
}

#input-box textarea {
    background-color: #2c2c2c !important;
    color: white;
    border-radius: 10px;
    font-size: 16px;
}

#validate-button {
    background-color: #4CAF50 !important;
    color: white;
    font-size: 18px;
    border-radius: 8px;
    padding: 10px 15px;
}

#validation-result, #output-box {
    background-color: #2c2c2c !important;
    color: white;
    font-size: 16px;
    border-radius: 8px;
    padding: 10px;
}