:root {
  --accent: #b1675d;
  --light-gray: #eee;
  --dark-gray: #c2c2c2;
  --white: #f8f9fa;
  --black: #2d2d2d;
  --border-width: 5px;
}

table {
  text-align: justify;
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2rem;
}

td, th {
  padding: 0.5em;
  border-bottom: 1px solid #4a4a4a;
}

html, body {
  box-sizing: border-box;
  font-size: 16px;
  /*font-family: monospace;*/
  height: 100%;
  margin: 0;
  padding: 0;
  max-width: 800px;
}

section {
  height: 100%;
}

.wrapper {
  min-height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.page-body {
  padding: 20px;
}

footer.page-footer {
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

ol,
ul {
  list-style: none;
}

p {
  padding: 1px;
  margin: 10px;
}

span {
  background: white;
  border: 1px solid black;
}

pre {
  background: #e2e2e2;
  font-family: monospace;
}

img.me {
  border-radius: 2em;
  max-width: 350px;
}

@media (prefers-color-scheme: dark) {
  :root {
    background-color: #2c2c2c;
    color: white;
  }

  pre {
    color: white;
    background: #3f3f3f;
  }

  a:link {
    color: white;
    text-decoration: underline;
  }

  a:visited {
    color: white;
    text-decoration: none;
  }

  .notice {
    border-color: white;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    background-color: #f5f5f5;
    color: black;
  }

  pre {
    color: black;
    background: #e2e2e2;
  }

  a:link {
    color: black;
    text-decoration: underline;
  }

  a:visited {
    color: black;
    text-decoration: none;
  }

  .notice {
    border-color: black;
  }
}



/*
 Tree structure using CSS:
 http://stackoverflow.com/questions/14922247/how-to-get-a-tree-in-html-using-pure-css
*/

.tree,
.tree ul {
  font-size: 18px;
  font: normal normal 14px/20px Helvetica, Arial, sans-serif;
  list-style-type: none;
  margin-left: 0 0 0 10px;
  padding: 0;
  position: relative;
  overflow: hidden;
}

.tree li {
  margin: 0;
  padding: 0 12px;
  position: relative;
}

.tree li::before,
.tree li::after {
  content: "";
  position: absolute;
  left: 0;
}

/* horizontal line on inner list items */
.tree li::before {
  border-top: 2px solid #999;
  top: 10px;
  width: 10px;
  height: 0;
}

/* vertical line on list items */
.tree li:after {
  border-left: 2px solid #999;
  height: 100%;
  width: 0px;
  top: -10px;
}

/* lower line on list items from the first level because they don't have parents */
.tree > li::after {
  top: 10px;
}

/* hide line from the last of the first level list items */
.tree > li:last-child::after {
  display: none;
}