:root {
  color-scheme: light dark;
  --bg-color-l0: #f2f2f2;
  --bg-color-l1: Canvas;
  --border-color: #808080;
  --time-color: #808080;
  --img-bg-color: #000;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color-l0: #000;
    --bg-color-l1: Canvas;
    --border-color: #808080;
    --time-color: #808080;
    --img-bg-color: #fff;
  }
}

body {
  background-color: var(--bg-color-l0);
}

main {
  max-width: 72ch;
  margin: 0 auto;
  padding: 0 20px 0 20px;
  background-color: var(--bg-color-l1);
  border: 1px solid var(--border-color);
  border-top: 0;
}

header {
  max-width: 72ch;
  margin: 0 auto;
  padding: 0 20px 0 20px;
  background-color: var(--bg-color-l1);
  border: 1px solid var(--border-color);
  border-bottom: 0;
}

header pre {
  font-family: monospace;
  font-weight: bold;
  margin: 0;
}

article {
  display: flex;
  flex-direction: row;
  margin-bottom: 2em;
  align-items: center;
}

p {
  margin: 0;
}

img {
  display: block;
  margin-top: 1em;
  margin-right: 5px;
  max-height: 200px;
  padding: 14px 7px;
  background-color: var(--img-bg-color);
  filter: grayscale(60%);
}

.post div p a img:first-child {
  display: inline;
}

.post_img {
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  object-fit: contain;
  background-color: none;
}

.post {
  display: flex;
  flex-direction: column;
  gap: 0.3em;
}

.time {
  font-size: 0.7em;
  color: var(--time-color);
}

@media only screen and (max-width: 768px) {

  :root main,
  header {
    border: 0;
    padding: 10px;
  }

  body {
    margin: 0;
  }

  header pre {
    font-size: 10px;
  }
  
  img {
    max-height: 150px;
  }
}