.page_body_main .main .main_text {
    float: left;
    width: 940px;
    margin-top: 20px;
    margin-left: 20px;
    margin-bottom: 20px;
    display: block;
    font-size: 15px;
    letter-spacing: 0px;
    line-height: 25px;
    text-align: justify;
    text-justify: inter-ideograph;
    font-family: Arial, Helvetica, sans-serif;
}

@media screen and (min-width: 0px) and (max-width: 1000px) {
    .page_body_main .main .main_text {
        width: 98%;
        margin: 1%;
    }
}