Some color, links, subheading style changes.
Updated the changes in the english version also
Add white logo png
Move what when where to article
Remove article background color (too many different colors doesn't look good)
Adjust h1 and h2 font styles and margins
Better art board (viewBox) placement to all SVGs
Added a vignetted shadow effect to the header's bg
Uploaded the the header pattern-bg -image
Use pattern
Add optimized pattern image
Clean up fonts
Merge branch 'style-grooming'