* {
    box-sizing: border-box;
}

body {
  font-family: Verdana, sans-serif;
  line-height: 1.6;
  margin: 0 auto;
  max-width: 720px;
  padding: 0 1em;
}

h1 {
    line-height: 1.2;
    margin-bottom: 10px;
    margin-top: 0;
}
h1 + p {
    margin-top: 0;
}

h2 {
    border-bottom: 1px solid #ddd;
    font-weight: normal;
}
h3 {
    border-bottom: 1px solid #ddd;
}
h2,h3,h4,h5,h6 {
  margin: 2.5rem 0 0;
}

a {
    color:#00e;
}
a:visited {
    color: #518;
}
a:hover, a:focus {
    color: #03f;
}

.flr {
    float: right;
    padding: 0 0 8px 8px;
}

.w-100 {
    max-width: 100px;
}

header {
    margin: 1.5rem 0;
}

.posts {
    padding: 0 0 0 18px;
}
.posts li {
    margin: 0 0 10px;
}
.posts li span {
    display: block;
    font-size: 85%;
}

.alert {
    border: 1px solid;
    font-family: sans-serif;
    margin: 10px 0;
    padding: 8px;
}
.alert span > b {
    display: block;
    border-bottom: 1px solid;
    margin-bottom: 10px;
}
.alert.note {
    background: aliceblue;
    border-color: darkslateblue;
    color: darkslateblue;
}
.alert.warning {
    background: lightgoldenrodyellow;
    border-color: darkgoldenrod;
    color: darkgoldenrod;
}

p code, ul code, ol code, blockquote code {
    background: #f1f1f1;
    padding: 2px;
}

#markdown-toc {
    background: #f8f9fa;
    padding: 10px 10px 10px 40px;
    position: relative;
}
#markdown-toc::before {
    border-bottom: 1px solid #ddd;
    content: "Table of Contents";
    display: block;
    font-size: 24px;
    margin: 0 0 10px -30px;
}

pre {
    background: #f1f1f1;
    overflow: auto;
    padding: 8px;
}

blockquote {
    border-left: 4px solid;
    color: brown;
    font-style: italic;
    margin: 1rem 0;
    padding: 0 0 0 8px;
}

img {
    height: auto;
    max-width: 100%;
}

table {
    border-collapse: collapse;
    margin: 2em 0;
    text-align: left;
    width: 100%;
}
table caption {
    border-bottom: 1px solid;
    font-size: 120%;
    text-align: left;
}
table th, table td {
    padding: 4px;
}
table tr:nth-of-type(even) {
    background: #f1f1f1;
}

figure {
    margin: 3rem 0;
}
figure img {
    display: block;
    margin: 0 auto;
    padding: 4px;
}
figure figcaption {
    font-size: 90%;
    font-style: italic;
    padding: 8px;
    text-align: center;
}

.footnotes {
  border-top: 1px solid;
  font-size: 90%;
  margin: 20px 0 10px;
  padding: 10px 0;
}

footer {
    border-top: 1px dotted;
    margin: 4rem 0 2rem;
    padding: 2rem 0;
    position: relative;
}
footer > p {
    margin-top: 0;
}
footer nav ul {
    list-style: none;
    padding: 0;
}
footer nav ul li {
    display: inline-block;
    margin: 0 15px 10px 0;
}

@media (prefers-color-scheme: dark) {
    a {
        color: #9bf;
    }
    a:visited {
        color: #a9f;
    }
    a:hover, a:focus {
        color: #9cf;
    }
    pre {
        background: black;
    }
    p code, ul code, ol code, blockquote code {
        background: black;
    }
    table tr:nth-of-type(even) {
        background: black;
    }
    #markdown-toc {
        background: black;
    }
    #markdown-toc::before {
        border-bottom: 1px solid #ddd;
    }
    blockquote {
        color: lightgoldenrodyellow;
    }
}