On the supposition that you're interested in the interaction of css *AND* browser, some info, data and or tools can be found:
And, though it scarcely needs saying and these are not, strictly speaking, responsive to your question, consider:
- screen rez
- screen size, and...
- the user's connectivity (something like 50% of the US population *STILL* has no highspeed access) because it bears on whether your page will render for a member of your target audience before the individual gives up and browses elsewhere.
BTW, these are a merely few samples from a quick Google for " browser + compatibiltity" but there are other and better ones out there still. However, my usual references are at home whereas I'm on the road and yet another meeting calls. So take these with a grain of salt.
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Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
Want more info? How to link
or How to display code and escape characters
are good places to start.