Can CSS Grid Span a Grid Item to the Last Row/Column in an Implicit Grid?

Make a Grid Item Span to the Last Row / Column in Implicit Grid

Introduction

In an implicit grid, where the number of rows and columns is not explicitly defined, it can be challenging to span a grid item to the last row or column without knowing their exact number. This question explores the possibility of achieving this with CSS Grid.

Is it Possible?

In its current version, CSS Grid cannot directly span a grid item from the first to the last row/column in an implicit grid. While negative integers can be used to count from the end edge in explicit grids, this approach is not applicable in this scenario.

Alternative Solution Using Absolute Positioning

While Grid limitations prevent spanning to the last row/column, absolute positioning offers a potential workaround. By placing the item absolutely inside the container, it can be positioned and stretched to fill the space to the end of the implicit grid.

Example Using Absolute Positioning

.container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 10px;
  height: 200px;
}

.item {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  background-color: yellow;
}

<div class="container">
  <div class="item">Item</div>
  ... other grid items
</div>

In this example, the .item is positioned absolutely and stretched to fill the entire height of the container, creating the illusion of spanning to the last row.

Conclusion

While CSS Grid limitations do not allow direct spanning to the last row/column in implicit grids, alternative techniques such as absolute positioning can be used to achieve a similar effect.

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