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diff --git a/files/ja/mozilla/gecko/chrome/css/_doublecolon_-moz-tree-twisty/index.html b/files/ja/mozilla/gecko/chrome/css/_doublecolon_-moz-tree-twisty/index.html
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+---
+title: ':-moz-tree-twisty'
+slug: 'Mozilla/Gecko/Chrome/CSS/::-moz-tree-twisty'
+tags:
+  - CSS
+  - CSS Reference
+  - Non-standard
+translation_of: 'Mozilla/Gecko/Chrome/CSS/::-moz-tree-twisty'
+---
+<p>{{ CSSRef() }}{{Non-standard_header}}</p>
+
+<p><code>properties</code> 属性によって活性化されます。</p>
+
+<h2 id="Associated_Elements" name="Associated_Elements">関連付けられた要素</h2>
+
+<ul>
+ <li>{{XULElem("treecell")}}</li>
+</ul>
+
+<h2 id="Style_Properties" name="Style_Properties">Style プロパティ</h2>
+
+<ul>
+ <li>{{cssxref("border")}}</li>
+ <li>{{cssxref("margin")}}</li>
+ <li>{{cssxref("padding")}}</li>
+ <li>{{cssxref("display")}}</li>
+ <li>{{cssxref("list-style")}}</li>
+ <li>{{cssxref("position")}}</li>
+ <li>{{cssxref("-moz-appearance")}}</li>
+</ul>