Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

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Behavior

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Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

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HTML

              
                <!--
忍者Code
HTML_CSS 初級
https://ninjacode.work/course/HTML_CSS/1/18

18 画像にぼかしを入れてみよう

「問題」
CSSを使用して画像にぼかし(モザイク)を入れてみよう!
見本を参考に作成していきましょう
-->
<div class="logo" style="width: 300px;">
    <img src="https://ninjacode.work/assets/img/qa/logo.jpg">
</div>
<!--
「解説」
イメージやテキストなどをぼかし
モザイクを付与するにはその要素に対して

filter: blur(1px); を指定します

pxはご自由に設定できます。
-->
<!--メモ-->
<hr>
<h3>CSSフィルターの種類</h3>
 <ul>
  <li>brightness(30%明度)</li>
  <li>saturate(彩度)</li>
  <li>contrast(コントラスト)</li>
  <li>blur(ぼかし)</li>
  <li>grayscale(グレースケール)</li>
  <li>sepia(セピア)</li>
  <li>hue-rotate(色相)</li>
  <li>invert(階調)</li>
  <li>opacity(画像の透明度)</li>
 </ul>
              
            
!

CSS

              
                .logo {
    width: 300px;
}
img {
    width: 100%;
    filter: blur(6px);
}

li{
  list-style:none;
}
              
            
!

JS

              
                
              
            
!
999px

Console