Fix #16 : height of entries
Remove useless CSS code
Increase space between entries
Fix display of shaarli icon
CSS clean up
CSS clean up with CSSLisible (See csslisible.com)

Default properties order.
Used specific options:
- Hex color code
- Lowercase hex format
- Shorten values
Fix colors of some solarized and solarized-dark icons
Reorder fav & archive selectors
Fix hover effect on favorite and archive links
Fix hover effect in article toolbar
Merge pull request #17 from NumEricR/fix-css

Several fixes