Limit max width on container div (970px) to contain post images

Conflicts:
	alchemy/static/css/style.css
Border radius (4px) code blocks and images, smooth ᵔᴥᵔ

Conflicts:
	alchemy/static/css/style.css
Make post images responsive
Set post link colour to a visible blue
Merge remote-tracking branch 'raywan/feature/border-radius' into raymazing

Meh, merging generated/minified files is lame.

Conflicts:
	alchemy/static/css/style.css
Regenerate styles and clean up merge garbage

Sucky thing about minified files is that they are a pain in the ass
for merge conflicts.

Signed-off-by: Alan Orth <alan.orth@gmail.com>