Update class2.html

<p>CSS is works in conjunction with HTML, but is not HTML itself.</p>

<p>CSS works in conjunction with HTML, but is not HTML itself.</p>

removed "is"
Update class2.html

line 185: "Lots of" changed to "Many"; "There can be many warning" changed to "There can be many warnings"

line 232: "black" changed to <font colo="black">black</font>

line 358: added "the content" to trailing line item
Merge pull request #10 from SquidAndCrow/patch-2

Update class2.html
Merge pull request #9 from SquidAndCrow/patch-1

Update class2.html
Submodule update
Merge branch 'master' of github.com:girldevelopit/gdi-core-html-css
Merge branch 'master' into gh-pages