"To close an empty tag, include a backslash at the end of the tag, like this:<br />."
"backslash" changed to "forward slash".

TextWrangler..."a paired down version..." changed to "pared-down"

The web address for Missing Manuals should be http://missingmanuals.com/ not http://www.missingmanuals.com/ as shown.

"...use the <div> and <span> tags (see page 18)." Should be page 20.

font-face: Arial;

Maybe it's my editor, but this didn't change the font from default to Arial. I had to use font-family:
Arial; to make it work

Note from the Author or Editor:
page 31, first line of code should read
font-family: Arial;

"...the third removes space from the around the headline".
changed to
"...the third removes space from around the headline."

Reference to <span> on "page 18" changed to "page 20"

"As explained in the box on page 47, ID selectors have some specific uses in JavaScript-based or very lengthy Web pages."

The box referred to is actually on page 49, under "Proper IDs".

The paragraph reads "1. Enter (Return) to your text editor and the inheritance.html file."

It should read "1. Return to your text editor and the inheritance.html file."

The statement errantly referred to the Windows/Mac keyboard buttons rather than the action of going back to the page in the text editor.

Note from the Author or Editor:
Paragraph should read "1. Return to your text editor and the inheritance.html file."

Text reads:
The last photo (3) isn't wide enough to sit next to the second photo (2)...

Should read
The last photo (3) is too wide to sit next to the second photo (2)...

Note from the Author or Editor:
Text reads:
The last photo (3) isn't wide enough to sit next to the second photo (2)...

Should read
The last photo (3) is too wide to sit next to the second photo (2)...

Now that all this busy work is out the way, ..."
changed to
"Now that all this busy work is out of the way, ..."

"The interesting part's the selector - body#feature a#featurelink."

should read

"The interesting part's the selector - body#feature a#featureLink."

Note from the Author or Editor:
correct. should read
"The interesting part's the selector - body#feature a#featureLink."

"margin-right; 15px;" should be "margin-right: 15px;".

"...make it stand out even more and approve its appearance."

"approve" changed to "improve".

The page reference at the end of the paragraph "See page 302 for a solution"
changed to
"See below for a solution."

the padding-left value is given as "0px" rather than just "0" for consistency with the rest of the book e.g. step 3 on the same page.