Заменяем иконки TaigaChat на Font Awesome

#taigachat_controls .taigachat_bbcode span.mce_bold:before {
    content: "\f032";
    font-family: FontAwesome;
    font-size: 15px;
}
#taigachat_controls .taigachat_bbcode span.mce_italic:before {
    content: "\f033";
    font-family: FontAwesome;
    font-size: 15px;
}
#taigachat_controls .taigachat_bbcode span.mce_strikethrough:before {
    content: "\f0cc"...