Distinguish portfolio pictures in two formats
Added Index.css
Fixed styles for main-content
Hover styles for menu links
Modified Social icon and add links
Modified portfolio images
Modified footer and Social images
Changed to gray footer and contact form
Modified default paragraph styles
Organized HTML code in the header
Put about me in a subfolder, for url friendliness
Friendly urls for contact and portfolio too
Link to the home page in the logo
Cleaned up some unused images
Added carousel slider