bio photo

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contains information about my HTML file like dependencies, linked files etc. More information here: http://www.w3schools.com/tags/tag_head.asp (this element is required in an HTML document)
div just means something. It's a container. By default it's rendered square. No descript tags. No styling.
new in HTML5. Gives search engine better tools to know what's on the web page. AKA semantic elements tags. http://www.w3schools.com/html/html5_semantic_elements.asp
get text bold

have 5 pixels on top and bottom

dont use this italics tag because do this in CSS < img src="path/goes/here" width="400"> my link _blank opens in new tab (not same window)
Divs take two things. IDs and Classes. ID, you can only have one and it should appear only one-time on your web page.
Don't do that. This will over-ride anything in the style sheet.
I am a div but by default in-line block. I will render nicely in-line with something else.
    stands for unordered list. You will see bullet points
  • ordered list or Bullet points
  • <- style.css is where your css code is hosted.