styles.css

html {
  font-family: "Berkeley Oldstyle Book";
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5rem;
  font-size: 17px;
  word-wrap: break-word !important;
}

main {
  color: #0a0a0a;
  max-width: 777px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 8px;
}

header h1 {
  text-align: center;
}

header,
footer {
  background: #f8f8f8;
}

header > .section,
footer > .section {
  max-width: 777px;
  margin-left: auto;
  margin-right: auto;
  padding: 8px;
}

button {
  font-family: "Berkeley Oldstyle Book";
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
  word-wrap: break-word !important;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin-top: 29px;
}

td,
th {
  border: 1px solid #dddddd;
  text-align: left;
  padding: 6px;
}

th {
  color: #0a0a0a;
  background: inherit;
}

a {
  text-decoration: none;
}

a:hover,
a:visited {
  text-decoration: underline;
}

details {
  margin-top: 50px;
}

ul {
  list-style-type: square;
}

#socials a:hover,
a:visited {
  text-decoration: none;
}

#socials > p > a {
  margin: 0;
  padding: 0 5px 0 0;
  border: 0;
}

#socials > p > a > img {
  height: 35px;
  width: 35px;
  margin: 0 5px 0 0;
  padding: 0;
  border: 0;
}

/* defaults */
h1 {
  display: block;
  font-size: 2.4em;
  margin-top: 0.67em;
  margin-bottom: 0.67em;
  margin-left: 0;
  margin-right: 0;
  font-weight: bold;
}

h2 {
  display: block;
  font-size: 1.5em;
  /*margin-top: 0.83em; def*/
  margin-top: 3em;
  margin-bottom: 0.83em;
  margin-left: 0;
  margin-right: 0;
  font-weight: bold;
}

h3 {
  display: block;
  font-size: 1.17em;
  margin-top: 1em;
  margin-bottom: 1em;
  margin-left: 0;
  margin-right: 0;
  font-weight: bold;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #141414;
    color: hsla(0, 0%, 100%, 0.9);
  }

  main {
    color: hsla(0, 0%, 100%, 0.9);
  }

  header,
  footer {
    background-color: black;
  }

  a,
  a:visited,
  a:hover,
  a:active {
    color: #e85d01;
  }

  td,
  th {
    border: 1px solid hsla(0, 0%, 100%, 0.1);
  }

  th {
    color: hsla(0, 0%, 100%, 0.9);
    background: inherit;
  }

  summary::marker {
    color: #e85d01;
  }
}

@media screen and (max-width: 600px) {
  html {
    font-size: 0.8rem;
  }

  main {
    padding: 0;
  }

  button {
    font-size: 0.8rem;
  }

  table {
    margin-top: 5px;
  }

  td,
  th {
    padding: 1px;
  }
}

@media screen and (max-width: 390px) {
  html {
    font-size: 0.5rem;
  }

  main {
    padding: 0;
  }

  button {
    font-size: 0.5rem;
  }

  table {
    margin-top: 5px;
  }

  td,
  th {
    padding: 1px;
  }
}

@font-face {
  font-family: "Berkeley Oldstyle Book";
  src: url(/Berkeley-Oldstyle-Book.otf);
}