.megbox{
    position: absolute;
    background-color: #FFF;
    border: 1px solid red;
    padding: 5px 10px;
    border-radius: 5px;
    z-index: 9999;
}
.megbox_top{
    width: 13px;
    height: 7px;
    position: absolute;
    background: url(../image2/arrow.gif) no-repeat;
    top: -7px;
}
.megbox_meg{
    padding-left: 25px;
    background: url(../image2/info.jpg) no-repeat;
    line-height: 20px;
}