python-blog/articles/static/style.css

:root {
    --accent: #226997;
    --main: #111111;
    /*--main2: #575757;*/
    /*--main3: #7d7d7d;*/
    --background: #ffffff;
    /*--background2: #f7f7f7;*/
}

body {
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    font-family: Arial, sans-serif;
    color: var(--main);
    background-color: var(--background);
    font-size: 110%;
}

p {
    line-height: 1.7;
}

body img {
    max-width: 640px;
}

a {
    color: var(--main);
    text-decoration: underline var(--accent) 2.5px;
    transition: text-decoration .12s ease;
}

/*.article-list a {*/
/*    text-decoration: underline var(--accent) 1px;*/
/*}*/

a:hover, a:focus {
    text-decoration: none;
}

article.article-list {
    margin-top: 2em;
}

article.article-list h2 a {
    text-decoration: none;
}

.pagination {
    display: flex;
    justify-content: space-between;
}

@media (prefers-color-scheme: dark) {
    :root {
        --accent: #226997;
        --main: #eeeeee;
        /*--main2: #cecece;*/
        /*--main3: #b1b1b1;*/
        --background: #111111;
        /*--background2: #575656;*/
    }

    img {
        opacity: .75;
        transition: opacity .5s ease-in-out;
    }

    img:hover {
        opacity: 1;
    }

    #manage ul ul li img {
        opacity: 1;
        filter: invert(1);
    }
}