update

public/dashboard/assets/css/widgets/chat.css

+.chat{border-radius:5px}.chat.chat-left .chat-message{background:#5a8dee!important;color:#fff;float:left!important}.chat .chat-message{background-color:#fafbfb!important;border-radius:.267rem!important;box-shadow:0 2px 6px 0 rgba(0,0,0,.3)!important;clear:both!important;color:#525361;float:right!important;margin:.2rem 0 1.8rem .2rem!important;max-width:calc(100% - 5rem)!important;padding:.75rem 1rem!important;position:relative!important;text-align:left!important;word-break:break-word!important}