W3Schools Tryit Editor

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<title>W3.CSS</title>
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 <h2>Responsive Images</h2>
 <p>The w3-image class makes the image scale down if it has to, but never scale up to be larger than its original size (<strong>resize the browser window to see the effect</strong>):</p>
 [<a href="/index.cgi/speech/http://www.w3schools.com/w3css/img_snowtops.jpg">画像:Norway</a>]
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</div><div class="naked_ctrl">
<form action="/index.cgi/speech" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="http://www.w3schools.com/w3css/tryit.asp?filename=tryw3css_ref_image">(->オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="http://www.w3schools.com/w3css/tryit.asp?filename=tryw3css_ref_image" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech" selected="selected">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
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