div.g_multichoice div.p_dialog_content > div > div {
    height: 330px;
    float: left;
}

div.g_multichoice div.p_dialog_content > div > ul {
    height: 100%;
    width: 100%;
}

div.p_lstLeft, div.p_lstRight {
    width: 45%;
    overflow: hidden;
    overflow-y: auto;
    height: 330px;
}

    div.p_lstLeft span.p_mc_add {
        background: url(../../../Style/Image/admin/add.png);
        display: inline-block;
        width: 40px;
        height: 40px;
        background-size: cover;
        cursor: pointer;
        margin: 0px 2px;
        line-height: 40px;
        float:right;
    }

    div.p_lstRight span.p_mc_remove {
        background: url(../../../Style/Image/admin/remove.png);
        display: inline-block;
        width: 40px;
        height: 40px;
        background-size: cover;
        cursor: pointer;
        margin: 0px 2px;
        line-height: 40px;
        float:right;
    }

div.p_middle {
    width: 9%;
    height: 330px;
    line-height: 330px;
    text-align: center;
    vertical-align: middle;
}