Images missing max-width property

[paskal]

Hello!

I've stumbled upon the very same issue as the dim0627/hugo_theme_beg#19, only part of the image visible on the screenshot where whole should be:

Source code:

![Shinken simple distributed architecture](https://shinken.readthedocs.io/en/latest/_images/shinken-architecture.png)

[taikii]

@paskal Thank you for your report!
I fixed this problem. Could you check it?

[paskal]

It works like a charm! Thanks a lot!

[paskal]

There is still room for improvement. TOC doesn't work well with images.

[paskal]

I'm not sure github sent notifications to mentioned authors, so posting double there: theme highlight blog post is out, this very theme is in it, additional info on paskal/terrty#1.

[taikii]

There is still room for improvement. TOC doesn't work well with images.

I feel that the problem is difficult...
I will look for the solution if time accept.

Thank you for picking this theme up in your blog!
I am surprised your evaluation, That is much higher than I imagined!!