diff --git a/fullscreen.md b/snippets/fullscreen.md
similarity index 51%
rename from fullscreen.md
rename to snippets/fullscreen.md
index 91c7658d6..8a6a6858f 100644
--- a/fullscreen.md
+++ b/snippets/fullscreen.md
@@ -8,10 +8,10 @@ The :fullscreen CSS pseudo-class represents an element that's displayed when the
Click the button below to enter the element into fullscreen mode.
-
I'm in fullscreen mode!
+
I change color in fullscreen mode!
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+
```
@@ -49,51 +49,9 @@ The :fullscreen CSS pseudo-class represents an element that's displayed when the
#### Demo
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Click the button below to enter the element into fullscreen mode.
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I'm in fullscreen mode!
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#### Explanation
-1. `fullscreen` CSS pseudo-class selector is used to select and style an element that is being displayed in full-screen mode.
+1. `fullscreen` CSS pseudo-class selector is used to select and style an element that is being displayed in fullscreen mode.
#### Browser support
@@ -102,4 +60,4 @@ The :fullscreen CSS pseudo-class represents an element that's displayed when the
* https://developer.mozilla.org/en-US/docs/Web/CSS/:fullscreen
* https://caniuse.com/#feat=fullscreen
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+