blocks|key|860217|text|您可以使用%25设置填充宽度作为参考，以保持比率。示例：http://codepen.io/anon/pen/vNXgJp或http://codepen.io/anon/pen/VvKPMM+(下面是演示)|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|860218|​|860219|.hotels+{
++display:+inline-block;
++width:+31.8%25;
++vertical-align:+top;
++margin-bottom:+22px;
++background:+url(http://www.telodesign.com/test/cavallo-300.jpg)+no-repeat+red;
++background-size:+100%25+auto;
}
.hotels:before+{
++content:+'';
++padding-top:+85%25;
++float:+left;
}|code-block|syntax|javascript|860220|<div+class="hotels">
++Here's+a+title</div>

<div+class="hotels">
++Here's+a+title</div>

<div+class="hotels">
++Here's+a+title</div>|860221|860222|或|860223|860224|.hotels+{
++display:+inline-block;
++width:+31.8%25;
++vertical-align:+top;
++margin-bottom:+22px;
++background:+url(http://www.telodesign.com/test/cavallo-300.jpg)+no-repeat+red;
++background-size:+100%25+auto;
}
.hotels:before+{
++content:+'';
++padding-top:+85%25;
++display:+inline-block;
++vertical-align:+bottom;
++margin-left:+-0.25em;
}
p+{
++display:+inline-block;
++width:+100%25;
++text-align:+center;
++background:+rgba(0,+0,+0,+0.5);
++margin:+0;
++padding:+1em;
++box-sizing:+border-box;
}|860225|<div+class="hotels">
++<p>Here's+a+title</p>
</div>

<div+class="hotels">
++Here's+a+title</div>

<div+class="hotels">
++Here's+a+title</div>|860226|860227|entityMap|0|LINK|mutability|MUTABLE|url|http://codepen.io/anon/pen/vNXgJp|1|http://codepen.io/anon/pen/VvKPMM^0|Q|X|0|1O|X|1|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|15|8|@]|9|@$A|16|B|17|1|18]|$A|19|B|1A|1|1B]]|C|$]]|$1|D|3|E|5|6|7|1C|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|1D|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|H|7|1E|8|@]|9|@]|C|$I|J]]|$1|M|3|E|5|6|7|1F|8|@]|9|@]|C|$]]|$1|N|3|O|5|6|7|1G|8|@]|9|@]|C|$]]|$1|P|3|E|5|6|7|1H|8|@]|9|@]|C|$]]|$1|Q|3|R|5|H|7|1I|8|@]|9|@]|C|$I|J]]|$1|S|3|T|5|H|7|1J|8|@]|9|@]|C|$I|J]]|$1|U|3|E|5|6|7|1K|8|@]|9|@]|C|$]]|$1|V|3|-4|5|6|7|1L|8|@]|9|@]|C|$]]]|W|$X|$5|Y|Z|10|C|$11|12]]|13|$5|Y|Z|10|C|$11|14]]]]

<p>You could use % to set a padding taking width for reference to keep ratio.
example :
<a href="http://codepen.io/anon/pen/vNXgJp" rel="nofollow">http://codepen.io/anon/pen/vNXgJp</a>  or <a href="http://codepen.io/anon/pen/VvKPMM" rel="nofollow">http://codepen.io/anon/pen/VvKPMM</a> (demos below)</p>

<p><div class="snippet" data-lang="js" data-hide="false">
<div class="snippet-code">
<pre class="snippet-code-css lang-css prettyprint-override"><code>.hotels {
  display: inline-block;
  width: 31.8%;
  vertical-align: top;
  margin-bottom: 22px;
  background: url(http://www.telodesign.com/test/cavallo-300.jpg) no-repeat red;
  background-size: 100% auto;
}
.hotels:before {
  content: '';
  padding-top: 85%;
  float: left;
}</code></pre>
<pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="hotels"&gt;
  Here's a title&lt;/div&gt;

&lt;div class="hotels"&gt;
  Here's a title&lt;/div&gt;

&lt;div class="hotels"&gt;
  Here's a title&lt;/div&gt;</code></pre>
</div>
</div>
</p>

<p>or</p>

<p><div class="snippet" data-lang="js" data-hide="false">
<div class="snippet-code">
<pre class="snippet-code-css lang-css prettyprint-override"><code>.hotels {
  display: inline-block;
  width: 31.8%;
  vertical-align: top;
  margin-bottom: 22px;
  background: url(http://www.telodesign.com/test/cavallo-300.jpg) no-repeat red;
  background-size: 100% auto;
}
.hotels:before {
  content: '';
  padding-top: 85%;
  display: inline-block;
  vertical-align: bottom;
  margin-left: -0.25em;
}
p {
  display: inline-block;
  width: 100%;
  text-align: center;
  background: rgba(0, 0, 0, 0.5);
  margin: 0;
  padding: 1em;
  box-sizing: border-box;
}</code></pre>
<pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="hotels"&gt;
  &lt;p&gt;Here's a title&lt;/p&gt;
&lt;/div&gt;

&lt;div class="hotels"&gt;
  Here's a title&lt;/div&gt;

&lt;div class="hotels"&gt;
  Here's a title&lt;/div&gt;</code></pre>
</div>
</div>
</p>


blocks|key|860229|text|您可以尝试使用视图宽度来在调整大小时保持比例：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|860230|HTML
<div+class="hotels">
Here's+a+title</div>

<div+class="hotels">
Here's+a+title</div>

<div+class="hotels">
Here's+a+title</div>

CSS

.hotels+{
++display:+inline-block;
++width:+31.8vw;
++height:+26.3vw;
++vertical-align:+top;
++++margin-bottom:+22px;
++background-image:url(http://www.telodesign.com/test/cavallo-300.jpg);
+++background-size:+cover;
}|code-block|syntax|javascript|860231|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

<p>You could try using view widths to keep the proportions on resize:</p>

<pre><code>HTML
&lt;div class="hotels"&gt;
Here's a title&lt;/div&gt;

&lt;div class="hotels"&gt;
Here's a title&lt;/div&gt;

&lt;div class="hotels"&gt;
Here's a title&lt;/div&gt;

CSS

.hotels {
  display: inline-block;
  width: 31.8vw;
  height: 26.3vw;
  vertical-align: top;
    margin-bottom: 22px;
  background-image:url(http://www.telodesign.com/test/cavallo-300.jpg);
   background-size: cover;
}
</code></pre>


<p>I have images of equal aspect ratios (300px x 255px) in divs taking up ~31% of the width to make 3 columns on desktop/tablet, then full width on mobile. The images scale to 100% within the div, with the height set as auto. I need to change them from img tags to background images</p>

<p><a href="http://codepen.io/anon/pen/yYagJd" rel="nofollow">http://codepen.io/anon/pen/yYagJd</a></p>

<pre><code>**HTML:**
&lt;div class="hotels"&gt;
    &lt;img src="http://www.telodesign.com/test/cavallo-300.jpg" alt=""&gt;&lt;br&gt;
Here's a title
&lt;/div&gt;

&lt;div class="hotels"&gt;
    &lt;img src="http://www.telodesign.com/test/cavallo-300.jpg" alt=""&gt;&lt;br&gt;
Here's a title
&lt;/div&gt;

&lt;div class="hotels"&gt;
    &lt;img src="http://www.telodesign.com/test/cavallo-300.jpg" alt=""&gt;&lt;br&gt;
Here's a title
&lt;/div&gt;

**CSS:**
.hotels {
    display: inline-block;
    width: 31.8%;
    vertical-align: top;
    margin-bottom: 22px;

}

*emphasized text*.hotels img {
    width: 100%;
    height: auto;
}
</code></pre>

<p>Is there a way to make these images background images, and still have the aspect ratio dictate the height of the div--allowing the same responsive scaling? I'm hoping there's a way to do this without using .js, if possible. Can it be done with just CSS? Thanks!</p>


Aspect ratio divs with CSS background images

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我有相同宽宽比的图像(300 Px255 in )在div中占宽度的31%左右，在桌面/平板电脑上生成3列，然后在移动平台上显示全宽。图像缩放到100%内的div，高度设置为自动。我需要将它们从img标签更改为背景图像。**HTML:**<div class="hotels">    <img src="http://...

问带有CSS背景图像的纵横比div
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