所有4张图像连续排列。但是在屏幕尺寸1920之后。我不想让图像缩放但保持其原始尺寸。图像在某些屏幕尺寸后不能调整大小
如何写@media查询它
<div class='row portfolio-boxes'>
<div class='col-sm-3 col-xs-6 no-mb-t-xs portfolio-box'>
<a class='image-link' href='#'>
<img class="img-responsive center-block" alt="Etiam vestibulum" src="images/1.jpg" />
</a>
<h3 class='title'>BODY</h3>
</div>
<div class='col-sm-3 col-xs-6 no-mb-t-xs portfolio-box'>
<a class='image-link' href='#'>
<img class="img-responsive center-block" alt="Malesuada" src="images/2.jpg" />
</a>
<h3 class='title'>PAINT</h3>
</div>
<div class='col-sm-3 col-xs-6 portfolio-box'>
<a class='image-link' href='#'>
<img class="img-responsive center-block" alt="Dictum vulputate" src="images/3.JPG" />
</a>
<h3 class='title'>WHEELS</h3>
</div>
<div class='col-sm-3 col-xs-6 portfolio-box'>
<a class='image-link' href='#'>
<img class="img-responsive center-block" alt="Semper massa" src="images/5.jpg" />
</a>
<h3 class='title'>DETAILING</h3>
</div>
</div>