body {
    font-family: sans-serif;
    margin: 20px;
}

textarea {
    width: 100%;
    margin: 10px 0;
    padding: 8px;
    font-size: 14px;
}

#customNames, #customPlaces { 
    height: 40px;
}

#original, #depersonalized, #reverted { 
    height: 240px; 
}

button {
    padding: 10px 20px;
    margin-right: 10px;
    font-size: 16px; 
}