[whatwg] Bad CSS on the multipage version

Anne van Kesteren annevk at opera.com
Wed Jun 4 03:31:45 PDT 2008

On Wed, 04 Jun 2008 12:25:28 +0200, Křištof Želechovski  
<giecrilj at stegny.2a.pl> wrote:
> Regarding your page at the URL
> <http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level.html
> #the-embed>:
> The following declaration is bad and wrong:
> Is: "margin-top: -2.5em"
> Should be: margin-top: -2.5ex"
> Wrong: A horizontal unit is applied to a vertical measure
> Bad:
> Element headings (level 4) are invisible
> (obscured underneath the following content).
> Please fix ASAP.

I don't see that problem. Also, em is just a shorthand for the font-size  
of the current element (or parent element if you specify it on font-size),  
it's different from the traditional em unit in that respect.

Anne van Kesteren

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