html {
  overflow-y: scroll;
  background-color: black;
}
:root {
  --bgcolor: white;
  --fontcolor: #444;
  --linkcolor: #00e;
  --visitedcolor: #551a8b;
  --precolor: #fff;
  --prebgcolor: #000;
}

/* box sizing borderbox */
* {
  box-sizing: border-box;
}

/* @media (prefers-color-scheme: dark) { :root { --bgcolor: black; --fontcolor: white; --linkcolor: #5bf; --visitedcolor: #ae5ee0; --precolor: #fff; --prebgcolor: #383838;}} */
body {
  max-width: 800px;
  min-height: 100vh;
  margin: 0 100px 0 100px;
  padding: 24px;
  font: 18px verdana;
  color: var(--fontcolor);
  background: var(--bgcolor);
}

/* media query */
@media (max-width: 800px) {
  body {
    margin: 0;
  }
}

a:link {
  color: var(--linkcolor);
}
a:visited {
  color: var(--visitedcolor);
}
a:active {
  color: var(--visitedcolor);
}

nav {
  display: flex;
  flex-direction: row;
  gap: 10px;
}

nav a.active {
  background-color: rgba(255, 255, 159, 0.8); /* Change the background color */
}

h1,
h2 {
  font-size: 20px;
  max-width: 600px;
  margin-top: 0;
}
h3 {
  font-size: 19px;
  opacity: 0.5;
  margin-top: 2em;
  margin-bottom: 1em;
}

p > code,
code {
  background: rgba(0, 0, 0, 0.2);
  font-family: monospace;
  padding: 2px;
}

pre {
  color: var(--precolor);
  background: var(--prebgcolor);
  padding: 24px;
  overflow-x: auto;
}
article {
  padding: 24px 0;
}
.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}
figcaption {
  color: #888;
  font: 12px/1.5 verdana;
  text-align: center;
}
figure {
  margin: auto;
}
img {
  display: block;
  max-width: 150px;
  height: auto;
  margin: 0;
}

.post-content {
  max-width: 600px;
  line-height: 1.5;
}

ul {
  line-height: 2;
}

hr {
  margin-bottom: 24px;
}

.post-list {
  margin-top: 24px;
}

.post-title {
  margin-bottom: 14px;
}