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        <description></description>
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       <dc:date>2026-05-12T12:14:28+00:00</dc:date>
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            <rdf:Seq>
                <rdf:li rdf:resource="https://wiki.sgy.io/web:css:structure_trois_colonnes?rev=1755361811&amp;do=diff"/>
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    <item rdf:about="https://wiki.sgy.io/web:css:structure_trois_colonnes?rev=1755361811&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-08-16T16:30:11+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>structure_trois_colonnes</title>
        <link>https://wiki.sgy.io/web:css:structure_trois_colonnes?rev=1755361811&amp;do=diff</link>
        <description>Structure trois colonnes

Le code HTML/CSS suivant permet de créer un item avec trois colonnes.



CSS


#item { 
	width:300px; 
	text-align:left; 
	margin:0 auto; 
	font-size: 10pt;
} 
 
#item &gt; #wrapper &gt; #leftcol{
	width:50px; 
	float:left; 
	position:relative;
}
 
#item &gt; #wrapper &gt; #twocols{
	width:250px; 
	float:right; 
	position:relative; 
}
 
#item &gt; #wrapper &gt; #twocols &gt; #rightcol{
	width:50px; 
	float:right; 
	position:relative; 
}
 
#item &gt; #wrapper &gt; #twocols &gt; #maincol{ 
	float: lef…</description>
    </item>
    <item rdf:about="https://wiki.sgy.io/web:css:toc?rev=1755361811&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-08-16T16:30:11+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>toc</title>
        <link>https://wiki.sgy.io/web:css:toc?rev=1755361811&amp;do=diff</link>
        <description>CSS

	*  Structure trois colonnes

Insérer un CSS

Interne


&lt;head&gt;
  &lt;style type=&quot;text/css&quot;&gt;
    body {background-image:url(&quot;images/bg.png&quot;)}
    p {margin-left:10px}
  &lt;/style&gt;
&lt;/head&gt;


Externe
&lt;link rel=&quot;stylesheet&quot; type=&quot;text/css&quot; href=&quot;main.css&quot; /&gt;
Inline
&lt;p style=&quot;color:blue;margin-left:10px&quot;&gt;Bla bla bla.&lt;/p&gt;</description>
    </item>
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