如何在 Flex 項目（包括第一個項目和最後一個項目）之間實現相等間距？

Equal Spacing Between Flex Items

Problem

Achieving equal spacing around flexbox children poses a challenge, as highlighted in a previous article where justify-content: space-around is presented as an imperfect solution. This article delves into more comprehensive methods to ensure equal spacing, including the first and last items.

Solution

Pseudo-Elements

Recent browser advancements allow pseudo-elements (::before and ::after) to be treated as flex items within a flex container. This opens up new possibilities for creating equal spacing.

By adding ::before and ::after pseudo-elements to the container and utilizing justify-content: space-between, along with zero-width pseudo-elements, we can create the illusion of equal spacing between visible flex items.

flex-container {
  display: flex;
  justify-content: space-between;
}

flex-container::before {
  content: "";
}

flex-container::after {
  content: "";
}

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