*[data-agent_tag] + span {

    background-color: #ffffff;
    border-radius: 16px;
    padding: 18px 22px;
    max-width: 320px;
    font-size: 14px;
    line-height: 1.5;
    color: #444;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    margin-top: 60px;
    z-index: 99999;

}

*[data-agent_tag] + span:after  {
    content: '';
    position: absolute;
    bottom: -9px;
    left: 28px;
    width: 0;
    height: 0;
    border-left: 9px solid transparent;
    border-right: 9px solid transparent;
    border-top: 9px solid #ffffff;
}

*[data-agent_tag] + span:before  {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 27px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid #ddd;
}