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How to Remove Unwanted Margin From the Last Row of Flex Items When They Wrap?

Mary-Kate Olsen
Mary-Kate OlsenOriginal
2024-11-21 06:57:09184browse

How to Remove Unwanted Margin From the Last Row of Flex Items When They Wrap?

Removing Margin from Flex Items When They Wrap

When working with flexbox layouts, it is possible to encounter a scenario where the last row of flex items in a container has an unwanted bottom margin due to the last item inheriting it from its CSS class. This becomes challenging when the tag list is dynamic, and it's impractical to target specific items based on their index (i.e., Item-13, Item-14, etc.).

Solution

Flexbox does not provide a direct way to eliminate the margin from the last row of items. However, there are some alternative approaches:

1. Using Gap Property

In modern browsers, the CSS gap property can be used to create space between flex items. By setting a gap value, you can automatically add space between all flex items, eliminating the need for margin.

.container {
  ...
  gap: 5px;                          /* added */
}

2. Row-Based Selection

If the tag list is a child of another container with known height, you can selectively remove the bottom margin from the last row using the CSS nth-child() selector:

.container .tags li:nth-child(12n) {
  margin-bottom: 0;
}

3. Calculated Width Child

In some cases, it may be possible to calculate the width of each child and add it to the flex container. This will cause the container to wrap the children evenly, eliminating the need for explicit margin.

.container {
  ...
  display: flex;
  flex-wrap: wrap;
  width: 100%;  /* width based on child count and their individual widths */
}

.tag {
  width: 20%;
}

Note: The gap property is supported by modern browsers, including Chrome, Firefox, and Safari. It falls back to 0 in unsupported browsers.

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