CSS网格：动态跨越最后一列 [英] CSS Grid: dynamically span the last column

问题描述

是否可以自动跨越最后一列以占据网格中的剩余空间？基本上，我正在尝试实现以下目标：

Is it possible to automatically span the last column to occupy the remaining space in the grid? Basically I'm trying to achieve this:

.row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.col {
  background: blue;
  padding: 20px;
  border: 1px solid red;
}

.col:last-child {
  background: yellow;
  /* missing magic here */ 
}

<div class="row">
  <div class="col"></div>
  <div class="col"></div>
  <div class="col"></div>
</div>
<div class="row">
  <div class="col"></div>
  <div class="col"></div>
</div>
<div class="row">
  <div class="col"></div>
</div>

推荐答案

不幸的是，在当前版本的CSS网格中似乎没有像 grid-column这样的真正魔术：span auto / -1 作为通用解决方案。但是对于这种3x1网格的特殊情况，您可以执行以下操作：

Unfortunately, it seems that in current version of CSS grid there is no true magic like grid-column: span auto / -1 as a universal solution. But for this particular case of 3x1 grid you can do something like the following:

.row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.col {
  background: blue;
  padding: 20px;
  border: 1px solid red;
}

.col:last-child {
  background: yellow;
  grid-column-end: -1;
}
.col:nth-child(1):last-child {
  grid-column-start: 1;
}
.col:nth-child(2):last-child {
  grid-column-start: 2;
}

<div class="row">
  <div class="col"></div>
  <div class="col"></div>
  <div class="col"></div>
</div>
<div class="row">
  <div class="col"></div>
  <div class="col"></div>
</div>
<div class="row">
  <div class="col"></div>
</div>

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