@media (prefers-color-scheme: light) {
    body {
        color: #222;
        background: #fff;
    }
    a {
        color: #0033cc;
    }
    .footer {
        text-align: center;
        padding: 30px 0;
        margin-top: 50px;
        border-top: 1px solid #e5e5e5;
        border-bottom: 1px solid #e5e5e5;
        background-color: #f5f5f5;
    }
    div.qlist.qanda > ol > li > p:nth-child(1) > em {
        color: #832779;
        font-size: 1.2em;
    }
}