Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?

Question

I\'ve used the CSS flex box layout which appears as shown below:

If t

Answer 1

I am using jquery or vw to keep the ratio

jquery

function setSize() {
    var $h = $('.cell').width();
    $('.your-img-class').height($h);
}
$(setSize);
$( window ).resize(setSize); 

vw

 .cell{
    width:30vw;
    height:30vw;
}
.cell img{
    width:100%;
    height:100%;
}

Answer 2

HTML:

<div class="container">
    <div class="box">
        <img src="http://lorempixel.com/1600/1200/" alt="">
    </div>
</div>

CSS:

.container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: stretch;

  width: 100%;
  height: 100%;

  border-radius: 4px;
  background-color: hsl(0, 0%, 96%);
}

.box {
  border-radius: 4px;
  display: flex;
}

.box img {
  width: 100%;
  object-fit: contain;
  border-radius: 4px;
}