ser-img img {
            width: 82px;
            border-radius: 5px;
            border: 1px solid #cccccc;
        }

        .user-img {
            width: 92px;
            text-align: left;
        }

        .user-msg {
            width: 236px;
            font-size: 14px;
            text-align: left;
            font-style: italic;
        }

        .code-block {
            padding: 10px 0;
            border: 1px solid #cccccc;
            color: #4d4d4d;
            font-weight: bold;
        