body {
  max-width: 40em;
  margin: 0 auto;
  padding: 5px;
  font-family: Georgia, serif;
  font-size: 18px;
  line-height: 1.6em;
  color: black;
}
h1, h2, h3 {
  font-family: sans-serif;
  font-weight: normal;
}
h2 {
    margin-top: 2em;
}

.code-block {
    background-color: #1e1e1e;      /* dark theme background */
    color: #dcdcdc;                 /* default text color */
    font-family: "Fira Code", monospace;
    padding: 1em;
    border-radius: 8px;
    line-height: 1.4em;
    overflow-x: auto;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    font-size: 0.8rem;   /* smaller text */
    padding: 0.6em 0.8em; /* less space inside */
    line-height: 1.3em;
}
.code-block code {
    white-space: pre;
    display: block;
}
@media (max-width: 600px) {
  .code-block {
    font-size: 0.7rem;
    padding: 0.5em;
    max-height: 200px;
  }
}