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	<title>zoomart - blog - magazine &#187; HTML5</title>
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	<link>http://www.zoomart.net/blog/it</link>
	<description>web design &#124; web marketing &#124; Napoli</description>
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		<title>Color HSL</title>
		<link>http://www.zoomart.net/blog/it/2010/08/14/colori-hsl/</link>
		<comments>http://www.zoomart.net/blog/it/2010/08/14/colori-hsl/#comments</comments>
		<pubDate>Sat, 14 Aug 2010 06:40:31 +0000</pubDate>
		<dc:creator>Zoomart</dc:creator>
				<category><![CDATA[CSS]]></category>
		<category><![CDATA[Web Design]]></category>
		<category><![CDATA[css3]]></category>
		<category><![CDATA[HTML5]]></category>
		<category><![CDATA[w3c]]></category>

		<guid isPermaLink="false">http://www.zoomart.net/blog/it/?p=2555</guid>
		<description><![CDATA[

			
				
			
		
CSS3 permette di utilizzare, oltre a valori di colore RGB ed esadecimali, anche valori HSL (Hue, Saturation, Lightness).
I tre valori da specificare sono:

Hue: rappresenta il grado della scala di colore: 0 (0 360) rapprsenta il rosso, 120 il verde, 240 il blu. Valori intermedi indicano le diverse tonalità di questi tre colori.
Saturation: è un valore [...]]]></description>
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<p>CSS3 permette di utilizzare, oltre a valori di colore RGB ed esadecimali, anche valori <strong><a rel="nofollow" rel="nofollow" target="_blank" href="http://www.w3.org/TR/2003/CR-css3-color-20030514/#hsl-color">HSL</a> (Hue, Saturation, Lightness)</strong>.<br />
I tre valori da specificare sono:</p>
<ol>
<li><strong>Hue</strong>: rappresenta il grado della scala di colore: 0 (0 360) rapprsenta il rosso, 120 il verde, 240 il blu. Valori intermedi indicano le diverse tonalità di questi tre colori.</li>
<li><strong>Saturation</strong>: è un valore espresso in percentuale: 100%; è il colore pieno.</li>
<li><strong>Lightness</strong>: è anch’esso un valore percentuale: 0% rappresenta il valore più scuro (nero), 100% il più chiaro (bianco) e 50% il valore medio.</li>
</ol>
<p>HSL fornisce, quindi, un ampio spettro di colori e sfumature disponibili.<br />
Attualmente questa proprietà è supportata da Opera 9.5, Safari 3, Google Chrome e Firefox.<br />
Ecco un esempio:</p>
<div style="overflow: hidden; width: 100%; margin: 20px 0pt;">
<div style="background-color: rgb(255, 0, 0); width: 70px; height: 70px; float: left;"></div>
<div style="background-color: rgb(0, 255, 0); width: 70px; height: 70px; float: left;"></div>
<div style="background-color: rgb(0, 0, 255); width: 70px; height: 70px; float: left;"></div>
</div>
<p><span id="more-2420"></span></p>
<div style="overflow: hidden; width: 100%; margin: 20px 0pt;">
<div style="background-color: rgb(255, 0, 0); width: 70px; height: 70px; float: left;"></div>
<div style="background-color: rgb(0, 255, 0); width: 70px; height: 70px; float: left;"></div>
<div style="background-color: rgb(0, 0, 255); width: 70px; height: 70px; float: left;"></div>
</div>
<p class="both">Ed il CSS utilizzato nel primo caso è:</p>
<div class="green-box">
background-color: hsl(0,100%, 50%);<br />
background-color: hsl(120,100%, 50%);<br />
background-color: hsl(240,100%, 50%);
</div>
<p class="both">Mentre nel secondo caso lo stesso risultato è ottenuto con valori RGB:</p>
<div class="green-box">
background-color: rgb(255,0,0);<br />
background-color: rgb(0,255,0);<br />
background-color: rgb(0,0,255);
</div>
<p><span id="more-2555"></span></p>
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		<title>Un primo sguardo ad HTML5</title>
		<link>http://www.zoomart.net/blog/it/2009/10/28/un-primo-sguardo-ad-html5/</link>
		<comments>http://www.zoomart.net/blog/it/2009/10/28/un-primo-sguardo-ad-html5/#comments</comments>
		<pubDate>Wed, 28 Oct 2009 19:49:21 +0000</pubDate>
		<dc:creator>Zoomart</dc:creator>
				<category><![CDATA[Web Design]]></category>
		<category><![CDATA[HTML5]]></category>

		<guid isPermaLink="false">http://www.zoomart.net/blog/it/?p=301</guid>
		<description><![CDATA[

			
				
			
		

La struttura di un sito web è definita dall&#8217;Hyper Text Markup Language (HTML), che dopo essere stato letto e processato dal browser, restituisce la pagina web. HTML5 è la nuova versione di HTML e XHTML, attualmente in fase di definizione presso il World Wide Web Consortium. Le specifiche (in corso di definizione) delineano un linguaggio [...]]]></description>
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<p><img src="http://www.zoomart.net/blog/it/wp-content/uploads/2009/10/html5.jpg" alt="html5" title="html5" width="750" height="270" class="alignnone size-full wp-image-338" /><br />
La struttura di un sito web è definita dall&#8217;<strong>Hyper Text Markup Language (HTML)</strong>, che dopo essere stato letto e processato dal browser, restituisce la pagina web. <strong>HTML5</strong> è la nuova versione di HTML e XHTML, attualmente in fase di definizione presso il <strong>World Wide Web Consortium</strong>. Le <a rel="nofollow" href="http://dev.w3.org/html5/spec/Overview.html" target="_blank">specifiche</a> (in corso di definizione) delineano un linguaggio singolare, che punta a risolvere problematiche riscontrate nelle precedenti versioni di HTML e considera le necessità delle applicazioni web, campo non adeguatamente valutato in passato.</p>
<p><span id="more-301"></span>Questo articolo è inteso come un approccio all&#8217;HTML5, e <strong>la prima cosa che possiamo fare, per prepararci a questo linguaggio di markup, è vedere come altri designers lo stanno già utilizzando</strong>. Per questo motivo di seguito sono proposti una serie di siti web che utilizzano elementi caratteristici dell&#8217;HTML5 e quindi ci permettono di dare un primo sguardo al codice.</p>
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