@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("www.aozora.gr.jp") {

html {
    font-family: serif;
    background: #fff5ed;
    color: #090909;
}

div.main_text {
    line-height: 1.75 !important;
    width: 40em !important;
    text-align: justify !important;
}

ruby rp,
ruby rt {
    display: none;
}

}