/* Soft-wrap long lines in all code blocks (code-block, literalinclude, etc.).
   white-space: pre-wrap preserves intentional newlines and indentation while
   letting the browser visually wrap long lines at the viewport edge.
   Copy-paste still yields the original unwrapped text because no real newline
   characters are inserted into the HTML content. */
div.highlight pre {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    overflow-x: visible;
}