opencode/packages/ui/src/components/markdown.css

[data-component="markdown"] {
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  color: var(--text-base);
  text-wrap: pretty;

  /* text-12-regular */
  font-family: var(--font-family-sans);
  font-size: var(--font-size-small);
  font-style: normal;
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-large); /* 166.667% */
  letter-spacing: var(--letter-spacing-normal);

  h1,
  h2,
  h3 {
    margin-top: 16px;
    margin-bottom: 8px;
    font-weight: var(--font-weight-medium);
  }

  p {
    margin-bottom: 8px;
  }

  ul,
  ol {
    margin-top: 16px;
    margin-bottom: 16px;
  }

  hr {
    margin-top: 8px;
    margin-bottom: 16px;
    border-color: var(--border-weaker-base);
  }

  pre {
    margin-top: 2rem;
    margin-bottom: 2rem;
    overflow: auto;

    scrollbar-width: none;
    &::-webkit-scrollbar {
      display: none;
    }
  }
}