* {
    box-sizing: border-box;
}

body {
    background: white;
    line-height: 1.55;
    margin: 0 auto;
    padding: 10px;
}

:link {
    color: #23238E;
}
:visited {
    color: #008088;
}

.title {
    font-family: "Times New Roman", Times, serif;
}

.title i {
    color: #0000FF;
}
.title b {
    color: #000084;
}

header {
    padding: 0 0 10px;
}

img {
    margin: 0 auto;
    max-width: 120px;
}

h1 {
    margin: 0;
    padding: 0.5rem 0 0;
}

blockquote {
    background: rgba(0,0,0,0.04);
    border-left: 4px solid;
    margin: 2rem 0;
    padding: 6px 10px;
}
blockquote p {
    font-style: italic;
    margin: 0;
}

pre {
    background: whitesmoke;
    border: 1px solid;
    overflow: scroll;
    padding: 10px;
    max-width:100%;
}

code {
    background: whitesmoke;
}

p code, li code, dl code {
    border: 1px solid;
    padding: 1px 2px;
}

h2 code {
    font-size: 24px;
}

footer p {
    font-size: 90%;
}

@media (min-width: 800px) {
    body {
        max-width: 85%;
    }
}

@media(max-width:420px) {
    h1 {
        text-align: center;
    }
}

@media(prefers-color-scheme: dark) {
    body {
        background: #1E1F21;
    }
    :link {
        color: #BAD7FF;
    }
    :visited {
        color: #F6BAFF;
    }
    .title {
        text-shadow: 2px 2px black;
    }
    .title i {
        color: #F2CA30;
    }
    .title b {
        color: #CF4229;
    }
    pre, code {
        background: black;
    }
}