Add navigation for "about me" section
Increase height of image in about me section
Modify parallax effect
Structure content

… by adding some comments and move some sections
Introducing semantic tags - this time <section>
Introducing semantic tags - this time <header>
Using html5 structure element for content styling

… instead of specific css classes
Switching to semantic tags
Removed unused variables
Moved welcome image to background
Beautify layout
Enhance layout
Using a more expressive selector ...

… for header within biography section
Extract navigation from background
Fixing wrong selector for scrolling
Disable "about me" section