.msg_box {
    position: fixed;
    width: 500px;
    bottom: 0px;
    background: white;
    border-radius: 7px 7px 0px 0px;
    z-index: 9999999;
}

.msg_head {
    background: #007bff;
    color: white;
    padding: 5px;
    cursor: pointer;
    border: solid 1px #d4d4d4;
    border-bottom-width: 0px;
    border-radius: 7px 7px 0px 0px;
}

.msg_wrap {
    border: solid 1px #d4d4d4;
}

.close-chat {
    float: right;
    cursor: pointer;
}