Remove the <style>
tags around your <link>
tag.
The <style>
tag is used to define style information for an HTML document as known as CSS.Inside the <style>
element you specify how HTML elements should render in a browser by writing CSS.
In a <style>
your write pure CSS. You can't link your stylesheet inside a <style>
tag.
You should end up with this:
<!DOCTYPE html><html><head><title>Christian Potts' Virtual Resume</title><link rel="stylesheet" type="text/css" href="style.css" /></head><body><h1>Hello World</h1></body></html>