#+HTML_HEAD_EXTRA:
* styling with default class
#+BEGIN_SRC asymptote :file svg-image.svg
size (1cm, 0);
fill (unitsquare, red);
#+END_SRC
#+RESULTS:
[[file:svg-image.svg]]
* styling with class specified with attribute
#+ATTR_HTML: :class my-svg-class
[[file:svg-image.svg]]
* going back to default class
[[file:svg-image.svg]]
* case where class id nil (no CSS class)
#+ATTR_HTML: :class nil
[[file:svg-image.svg]]