设置弹性行高度以适合子img大小

Question

我正在尝试制作一个flexbox行，以便将它的高度与子img相匹配，其高度由其宽度（来自CSS）和它的比例（来自文件）设置。 是否有纯CSS方式来实现这种行为？

.row {
  width: 50%; 
  height: auto; /* does not work */
  display: flex;
  flex-direction: row;
}

.row, .row > * {
  background: rgba(200, 0, 0, 0.1);
}

.row > .text {
  white-space: normal;
  flex-grow: 2; /* width: 100%  also works */
}

.row > img:last-child {
  width: 40%;
  height: auto;
  border: 0px;
}

<div class="row">
  <div class="text">Some text content, occupies all available space.<br/>Image to the right should have 4x3 ratio</div>
  <img src="https://www.christart.com/IMAGES-art9ab/clipart/5233/blown-leaves-background.jpg"><!-- a random 4x3 image from Internet -->
</div>

Answer 1

您只需更改the alignment，因为默认情况下stretch

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.row {
  width: 50%; 
  display: flex;
  align-items:flex-start; /*added this*/
  flex-direction: row;
}

.row, .row > * {
  background: rgba(200, 0, 0, 0.1);
}

.row > .text {
  white-space: normal;
  flex-grow: 2; /* width: 100%  also works */
}

.row > img:last-child {
  width: 40%;
  border: 0px;
}

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<div class="row">
  <div class="text">Some text content, occupies all available space.<br/>Image to the right should have 4x3 ratio</div>
  <img src="https://www.christart.com/IMAGES-art9ab/clipart/5233/blown-leaves-background.jpg"><!-- a random 4x3 image from Internet -->
</div>

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