use class="hidden" not style="display:none"

5 files changed, 14 insertions, 14 deletions

diff --git a/files/it/conflicting/learn/server-side/django/index.html b/files/it/conflicting/learn/server-side/django/index.html
index e7efb7b504..847a230dcd 100644
--- a/files/it/conflicting/learn/server-side/django/index.html
+++ b/files/it/conflicting/learn/server-side/django/index.html
@@ -23,8 +23,8 @@ original_slug: Python
    <li><a href="http://greenteapress.com/complexity/index.html" title="http://greenteapress.com/complexity/index.html">Think Complexity</a> di <strong>Allen B. Downey</strong> continua l'opera del precedente (disponibile in formato <a href="http://greenteapress.com/complexity/thinkcomplexity.pdf" title="http://greenteapress.com/complexity/thinkcomplexity.pdf">PDF</a> &amp; <a href="http://greenteapress.com/complexity/html/index.html" title="http://greenteapress.com/complexity/html/index.html">HTML</a> )</li>
   </ul>
  </li>
- <li><a href="http://learnpythonthehardway.org" title="http://learnpythonthehardway.org">Learn Python The Hard Way</a> di <span id="cke_bm_75S" style="display: none;"> </span>Zed Shaw<span id="cke_bm_75E" style="display: none;"> </span> (<a href="http://learnpythonthehardway.org/book/" title="http://learnpythonthehardway.org/book/">formato HTML</a>)</li>
- <li><a href="http://www.itmaybeahack.com/book/python-2.6/html/index.html" title="http://www.itmaybeahack.com/book/python-2.6/html/index.html">Building Skills in Python</a> di<span id="cke_bm_76S" style="display: none;"> </span> Steven F. L<span id="cke_bm_76E" style="display: none;"> </span>ott (<span id="cke_bm_77E" style="display: none;"> </span><a href="http://www.itmaybeahack.com/book/python-2.6/latex/BuildingSkillsinPython.pdf" title="http://www.itmaybeahack.com/book/python-2.6/latex/BuildingSkillsinPython.pdf">formato PDF</a>)</li>
+ <li><a href="http://learnpythonthehardway.org" title="http://learnpythonthehardway.org">Learn Python The Hard Way</a> di <span id="cke_bm_75S" class="hidden"> </span>Zed Shaw<span id="cke_bm_75E" class="hidden"> </span> (<a href="http://learnpythonthehardway.org/book/" title="http://learnpythonthehardway.org/book/">formato HTML</a>)</li>
+ <li><a href="http://www.itmaybeahack.com/book/python-2.6/html/index.html" title="http://www.itmaybeahack.com/book/python-2.6/html/index.html">Building Skills in Python</a> di<span id="cke_bm_76S" class="hidden"> </span> Steven F. L<span id="cke_bm_76E" class="hidden"> </span>ott (<span id="cke_bm_77E" class="hidden"> </span><a href="http://www.itmaybeahack.com/book/python-2.6/latex/BuildingSkillsinPython.pdf" title="http://www.itmaybeahack.com/book/python-2.6/latex/BuildingSkillsinPython.pdf">formato PDF</a>)</li>
 </ul>
 
 <p>Una volta acquisite le basi, si può passare a <a href="http://python.net/~goodger/projects/pycon/2007/idiomatic/handout.html" title="http://python.net/~goodger/projects/pycon/2007/idiomatic/handout.html">Code Like a Pythonista: Idiomatic Python</a> per approfondire alcuni aspetti di Python che lo rendono diverso dagli altri linguaggi .</p>
diff --git a/files/it/learn/html/howto/index.html b/files/it/learn/html/howto/index.html
index 5343bdbaad..b9566dcb69 100644
--- a/files/it/learn/html/howto/index.html
+++ b/files/it/learn/html/howto/index.html
@@ -152,4 +152,4 @@ translation_of: Learn/HTML/Howto
 </div>
 </div>
 
-<p><span style="display: none;"> </span><span style="display: none;"> </span><span style="display: none;"> </span><span style="display: none;"> </span> </p>
+<p><span class="hidden"> </span><span class="hidden"> </span><span class="hidden"> </span><span class="hidden"> </span> </p>
diff --git a/files/it/web/api/canvasrenderingcontext2d/ispointinpath/index.html b/files/it/web/api/canvasrenderingcontext2d/ispointinpath/index.html
index bcb314845c..cf3bdee573 100644
--- a/files/it/web/api/canvasrenderingcontext2d/ispointinpath/index.html
+++ b/files/it/web/api/canvasrenderingcontext2d/ispointinpath/index.html
@@ -67,7 +67,7 @@ console.log(ctx.isPointInPath(10, 10)); // true
 
 <p>Modifica il codice qui sotto, e guarda live come cambia il canvas: per guardare i log apri la tua <a href="/en-US/docs/Tools/Browser_Console">console</a></p>
 
-<div style="display: none;">
+<div class="hidden">
 <h6 id="Playable_code">Playable code</h6>
 
 <pre class="brush: html">&lt;canvas id="canvas" width="400" height="200" class="playable-canvas"&gt;&lt;/canvas&gt;
diff --git a/files/it/web/css/transition-timing-function/index.html b/files/it/web/css/transition-timing-function/index.html
index c99e5f5678..0362f60e1d 100644
--- a/files/it/web/css/transition-timing-function/index.html
+++ b/files/it/web/css/transition-timing-function/index.html
@@ -50,7 +50,7 @@ transition-timing-function: inherit
 <div id="ttf_ease" style="width: 251px; display: inline-block; margin-right: 1px; margin-bottom: 1px;">
 <p><code>transition-timing-function: ease</code></p>
 
-<div style="display: none;">
+<div class="hidden">
 <pre class="brush:html"> &lt;div class="parent"&gt;
   &lt;div class="box"&gt;Lorem&lt;/div&gt;
 &lt;/div&gt;
@@ -113,7 +113,7 @@ var intervalID = window.setInterval(updateTransition, 7000);
 <div id="ttf_easein" style="width: 251px; display: inline-block; margin-right: 1px; margin-bottom: 1px;">
 <p><code>transition-timing-function: ease-in</code></p>
 
-<div style="display: none;">
+<div class="hidden">
 <pre class="brush:html"> &lt;div class="parent"&gt;
   &lt;div class="box"&gt;Lorem&lt;/div&gt;
 &lt;/div&gt;
@@ -176,7 +176,7 @@ var intervalID = window.setInterval(updateTransition, 7000);
 <div id="ttf_easeout" style="width: 251px; display: inline-block; margin-right: 1px; margin-bottom: 1px;">
 <p><code>transition-timing-function: ease-out</code></p>
 
-<div style="display: none;">
+<div class="hidden">
 <pre class="brush:html"> &lt;div class="parent"&gt;
   &lt;div class="box"&gt;Lorem&lt;/div&gt;
 &lt;/div&gt;
@@ -239,7 +239,7 @@ var intervalID = window.setInterval(updateTransition, 7000);
 <div id="ttf_easeinout" style="width: 251px; display: inline-block; margin-right: 1px; margin-bottom: 1px;">
 <p><code>transition-timing-function: ease-in-out</code></p>
 
-<div style="display: none;">
+<div class="hidden">
 <pre class="brush:html"> &lt;div class="parent"&gt;
   &lt;div class="box"&gt;Lorem&lt;/div&gt;
 &lt;/div&gt;
@@ -303,7 +303,7 @@ var intervalID = window.setInterval(updateTransition, 7000);
 <div id="ttf_linear" style="width: 251px; display: inline-block; margin-right: 1px; margin-bottom: 1px;">
 <p><code>transition-timing-function: linear</code></p>
 
-<div style="display: none;">
+<div class="hidden">
 <pre class="brush:html"> &lt;div class="parent"&gt;
   &lt;div class="box"&gt;Lorem&lt;/div&gt;
 &lt;/div&gt;
@@ -366,7 +366,7 @@ var intervalID = window.setInterval(updateTransition, 7000);
 <div id="ttf_stepstart" style="width: 251px; display: inline-block; margin-right: 1px; margin-bottom: 1px;">
 <p><code>transition-timing-function: step-start</code></p>
 
-<div style="display: none;">
+<div class="hidden">
 <pre class="brush:html"> &lt;div class="parent"&gt;
   &lt;div class="box"&gt;Lorem&lt;/div&gt;
 &lt;/div&gt;
@@ -429,7 +429,7 @@ var intervalID = window.setInterval(updateTransition, 7000);
 <div id="ttf_stepend" style="width: 251px; display: inline-block; margin-right: 1px; margin-bottom: 1px;">
 <p><code>transition-timing-function: step-end</code></p>
 
-<div style="display: none;">
+<div class="hidden">
 <pre class="brush:html"> &lt;div class="parent"&gt;
   &lt;div class="box"&gt;Lorem&lt;/div&gt;
 &lt;/div&gt;
@@ -492,7 +492,7 @@ var intervalID = window.setInterval(updateTransition, 7000);
 <div id="ttf_step4end" style="width: 251px; display: inline-block; margin-right: 1px; margin-bottom: 1px;">
 <p><code>transition-timing-function: steps(4, end)</code></p>
 
-<div style="display: none;">
+<div class="hidden">
 <pre class="brush:html"> &lt;div class="parent"&gt;
   &lt;div class="box"&gt;Lorem&lt;/div&gt;
 &lt;/div&gt;
diff --git a/files/it/web/html/global_attributes/index.html b/files/it/web/html/global_attributes/index.html
index 84a66619b7..a8424e5827 100644
--- a/files/it/web/html/global_attributes/index.html
+++ b/files/it/web/html/global_attributes/index.html
@@ -122,7 +122,7 @@ translation_of: Web/HTML/Global_attributes
   &lt;/ol&gt;
 &lt;/body&gt;
 </pre>
- <div style="display: none;">
+ <div class="hidden">
   <pre class="brush:css">      ol {
         list-style-type:decimal;
       }
@@ -151,7 +151,7 @@ function changeImage(){
  <li>the name must not contain any semicolon (<code>U+003A</code>);</li>
  <li>the name must not contain capital <code>A</code> to <code>Z</code> letters.</li>
 </ul>
-<p>Note that the <code>HTMLElement.dataset</code> attribute is a <code>StringMap</code> and the name of the custom data attribute <em> data-test-value<span id="1305983291817E" style="display: none;"> </span></em> will be accessible via <code>HTMLElement.dataset.</code><em><code>testValue</code></em> as any dash (<code>U+002D</code>) is replaced by the capitalization of the next letter (camelcase).</p>
+<p>Note that the <code>HTMLElement.dataset</code> attribute is a <code>StringMap</code> and the name of the custom data attribute <em> data-test-value<span id="1305983291817E" class="hidden"> </span></em> will be accessible via <code>HTMLElement.dataset.</code><em><code>testValue</code></em> as any dash (<code>U+002D</code>) is replaced by the capitalization of the next letter (camelcase).</p>
 <table class="fullwidth-table">
  <tbody>
   <tr>