index.html
- included elements.css stylesheet
- changed Logo in header
- changed position of logo to left by adding class "left"
- changed position of navigation to right by adding class "right"
- removed left and right margins at list-items in navigation
- added bigger margin right to list-items in navigation
- combined all list-items to one list
- removed wrapper-container at navigation

style.css
- changed positioning of navigation items
- changed background-color of navigation

elements.css
- created elements.css
- added button-class for transparent and non-transparent buttons
- added classes for hover-behaviour
Merge branch 'layout' into dev