html layouts vs css layouts : <p>please, 
which is better? benefits and disadvantages</p>

<p>Html Layouts </p>

<pre><code>&lt;header&gt; 
&lt; nav&gt; 
&lt; aside&gt;
</code></pre>

<p>or </p>

<p>css layouts (divs with float)</p>

<p>thanks</p>
