<p dir="auto">Internet explorer 9 ignores width and height of images, ok in Chrome, FF. Bootstrap Bootstrap v2.3.1</p>
<p dir="auto">Test:<br>
<a target="_blank" rel="noopener noreferrer" href="test.jpg"><img src="test.jpg" width="230" height="230" border="0" style="max-width: 100%;"></a></p>
<p dir="auto">Bootstrap css:<br>
<code class="notranslate"><br>
img{max-width:100%;width:auto\9;height:auto;vertical-align:middle;border:0;-ms-interpolation-mode:bicubic;}<br>
</code></p>
<p dir="auto">Fix: comment height: auto<br>
<code class="notranslate"><br>
img{max-width:100%;width:auto\9;<em>height:auto</em>;vertical-align:middle;border:0;-ms-interpolation-mode:bicubic;}<br>
</code></p>
<p dir="auto">the image height bug previously fixed in 2.0.3 (issue <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="3179220" data-permission-text="Title is private" data-url="https://github.com/twbs/bootstrap/issues/1899" data-hovercard-type="issue" data-hovercard-url="/twbs/bootstrap/issues/1899/hovercard" href="https://github.com/twbs/bootstrap/issues/1899">#1899</a> and <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="3790884" data-permission-text="Title is private" data-url="https://github.com/twbs/bootstrap/issues/2779" data-hovercard-type="issue" data-hovercard-url="/twbs/bootstrap/issues/2779/hovercard" href="https://github.com/twbs/bootstrap/issues/2779">#2779</a>) is back in 2.1.0</p>