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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:42:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:42:17 -0500 |
commit | da78a9e329e272dedb2400b79a3bdeebff387d47 (patch) | |
tree | e6ef8aa7c43556f55ddfe031a01cf0a8fa271bfe /files/it/web/css/background-image | |
parent | 1109132f09d75da9a28b649c7677bb6ce07c40c0 (diff) | |
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-rw-r--r-- | files/it/web/css/background-image/index.html | 126 |
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diff --git a/files/it/web/css/background-image/index.html b/files/it/web/css/background-image/index.html new file mode 100644 index 0000000000..f07e6d72f7 --- /dev/null +++ b/files/it/web/css/background-image/index.html @@ -0,0 +1,126 @@ +--- +title: background-image +slug: Web/CSS/background-image +tags: + - CSS_1 + - CSS_2.1 + - CSS_3 +translation_of: Web/CSS/background-image +--- +<p><< <a href="it/Guida_di_riferimento_ai_CSS">Guida di riferimento ai CSS</a></p> + +<h3 id="Sommario" name="Sommario">Sommario</h3> + +<p>La proprietà <code>background-image</code> imposta l'immagine di sfondo di un elemento.</p> + +<ul> + <li>Valore iniziale: none</li> + <li>Si applica a: tutti gli elementi</li> + <li>Eredità: no</li> + <li>Percentuali: N/A</li> + <li>Media: <a href="it/CSS/Media/Visual">visual</a></li> + <li>Valore calcolato: URI assoluto o none</li> +</ul> + +<h3 id="Sintassi" name="Sintassi">Sintassi</h3> + +<pre class="eval">background-image:<em>uri</em> | none | inherit +</pre> + +<h3 id="Valori" name="Valori">Valori</h3> + +<dl> + <dt>uri </dt> + <dd>L'indirizzo dell'immagine da utilizzare come sfondo</dd> + <dt>none </dt> + <dd>Specifica che l'elemento non ha alcuna immagina di sfondo</dd> +</dl> + +<h2 id="Esempi">Esempi</h2> + +<p>Note that the star image is partially transparent and is layered over the cat image.</p> + +<h3 id="HTML">HTML</h3> + +<pre class="brush: html"><div> + <p class="catsandstars"> + This paragraph is full of cats<br />and stars. + </p> + <p>This paragraph is not.</p> + <p class="catsandstars"> + Here are more cats for you.<br />Look at them! + </p> + <p>And no more.</p> +</div></pre> + +<h3 id="CSS">CSS</h3> + +<pre class="brush: css">pre, p { + font-size: 1.5em; + color: #FE7F88; + background-color: transparent; +} + +div { + background-image: url("https://mdn.mozillademos.org/files/6457/mdn_logo_only_color.png"); +} + +p { + background-image: none; +} + +.catsandstars { + background-image: url("https://mdn.mozillademos.org/files/11991/startransparent.gif"), + url("https://mdn.mozillademos.org/files/7693/catfront.png"); + background-color: transparent; +} +</pre> + +<h3 id="Result">Result</h3> + +<p>{{EmbedLiveSample('Esempi')}}</p> + +<h3 id="Note" name="Note">Note</h3> + +<p>Gli sviluppatori dovrebbero specificare la proprietà <a href="it/CSS/background-color">background-color</a>, cioè un colore di sfondo che verrà mostrato se l'immagine non è disponibile. Le immagini di sfondo vengono mostrare sopra il colore di sfondo.</p> + +<h3 id="Specifiche" name="Specifiche">Specifiche</h3> + +<ul> + <li><a class="external" href="http://www.w3.org/TR/CSS1#background-image">CSS 1</a></li> + <li><a class="external" href="http://www.w3.org/TR/CSS21/colors.html#propdef-background-image">CSS 2.1</a></li> + <li><a class="external" href="http://www.w3.org/TR/2005/WD-css3-background-20050216/#the-background-image">CSS 3</a></li> +</ul> + +<h3 id="Browser_Compatibility" name="Browser_Compatibility">Browser Compatibility</h3> + +<table class="standard-table"> + <tbody> + <tr> + <th>Browser</th> + <th>Versione minima</th> + </tr> + <tr> + <td>Internet Explorer</td> + <td>4</td> + </tr> + <tr> + <td>Firefox</td> + <td>1</td> + </tr> + <tr> + <td>Netscape</td> + <td>4</td> + </tr> + <tr> + <td>Opera</td> + <td>3.5</td> + </tr> + </tbody> +</table> + +<h3 id="Vedi_Anche" name="Vedi_Anche">Vedi Anche</h3> + +<p><code><a href="it/CSS/background">background</a></code></p> + +<p>{{ languages( { "en": "en/CSS/background-image", "fr": "fr/CSS/background-image", "pl": "pl/CSS/background-image", "es": "es/CSS/background-image" } ) }}</p> |