Prepare Web API section for Markdown conversion (#2464)

* Remove summary classes and ids

* Remove unecessary hidden

* Remove useless span filled with useless attributes / ids

* Remove useless font

* Remove notranslate

* Remove id in other elements than headings

* Remove name attributes

* Remove <pre><code> for JS w/ language-js class

* Remove <pre><code> for HTML w/ language-html class

* Remove <pre><code> for other lang w/ language-* class

* Rm highlighted line in code samples

* fix links, internal, external, absolute URLs

* missing file from last commit

* Fix styles errors apart from table + some classes

* Fix notes and warnings (+ some other :x)

* fix typo during merge which broke a doc

* aand forgot a conflict

* fix remaining classes of errors except dls and images

* Fix dls

* Fix images (deki/mozillademos) and remaining style issues

* Remove script tag from svg file

* Remove script tag from svg fileS

* Compress SVG files for CI

1 files changed, 5 insertions, 7 deletions

diff --git a/files/fr/web/api/canvasgradient/addcolorstop/index.html b/files/fr/web/api/canvasgradient/addcolorstop/index.html
index 15eb25cea5..f88d7413a9 100644
--- a/files/fr/web/api/canvasgradient/addcolorstop/index.html
+++ b/files/fr/web/api/canvasgradient/addcolorstop/index.html
@@ -40,7 +40,7 @@ translation_of: Web/API/CanvasGradient/addColorStop
 
 <h4 id="JavaScript">JavaScript</h4>
 
-<pre class="brush: js; highlight:[5,6]">var canevas = document.getElementById('canevas');
+<pre class="brush: js">var canevas = document.getElementById('canevas');
 var ctx = canevas.getContext('2d');
 
 var degrade = ctx.createLinearGradient(0, 0, 200, 0);
@@ -52,10 +52,9 @@ ctx.fillRect(10, 10, 200, 100);
 
 <p>Modifiez le code ci-dessous et voyez vos modifications mises à jour en direct dans le canevas :</p>
 
-<div class="hidden">
-<h6 id="Playable_code">Playable code</h6>
+<h4 id="code_jouable">Code jouable</h4>
 
-<pre class="brush: html">&lt;canvas id="canvas" width="400" height="200" class="playable-canvas"&gt;&lt;/canvas&gt;
+<pre class="brush: html hidden">&lt;canvas id="canvas" width="400" height="200" class="playable-canvas"&gt;&lt;/canvas&gt;
 &lt;div class="playable-buttons"&gt;
   &lt;input id="edit" type="button" value="Edit" /&gt;
   &lt;input id="reset" type="button" value="Reset" /&gt;
@@ -68,7 +67,7 @@ ctx.fillStyle = gradient;
 ctx.fillRect(10,10,200,100);&lt;/textarea&gt;
 </pre>
 
-<pre class="brush: js">var canvas = document.getElementById("canvas");
+<pre class="brush: js hidden">var canvas = document.getElementById("canvas");
 var ctx = canvas.getContext("2d");
 var textarea = document.getElementById("code");
 var reset = document.getElementById("reset");
@@ -92,9 +91,8 @@ edit.addEventListener("click", function() {
 textarea.addEventListener("input", drawCanvas);
 window.addEventListener("load", drawCanvas);
 </pre>
-</div>
 
-<p>{{ EmbedLiveSample('Playable_code', 700, 360) }}</p>
+<p>{{ EmbedLiveSample('code_jouable', 700, 360) }}</p>
 
 <h2 id="Spécifications">Spécifications</h2>