converse-desktop/resources/css/page-settings.css

.settings-page {
    padding: 0px 20px 0px 20px;
}

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

.form-item__hint {
    color: #777;
    font-size: 13px;
}

.form-item__save-button.active {
    color: blue;
}