.img_tool_icon {
    width: 32px;
    height: 32px;
    background: url(../../img/attachment_sprite.png) no-repeat;
    padding-left: 34px;
    padding-top: 10px;
}

    .img_tool_icon.img_tool_default {
        background-position: -66px -66px;
    }

    .img_tool_icon.img_tool_pdf {
        background-position: -33px -99px;
    }

    .img_tool_icon.img_tool_word {
        background-position: -66px -33px;
    }

    .img_tool_icon.img_tool_excel {
        background-position: -66px -132px;
    }

    .img_tool_icon.img_tool_ppt {
        background-position: -99px -99px;
    }

    .img_tool_icon.img_tool_zip {
        background-position: -99px -132px;
    }

    .img_tool_icon.img_tool_img {
        background-position: -66px -99px;
    }

    .img_tool_icon.img_tool_txt {
        background-position: -132px -99px;
    }

    .img_tool_icon.img_tool_msg {
        background-position: 0px -66px;
    }

    .img_tool_icon.img_tool_html {
        background-position: -66px 0px;
    }