CSS, Flexbox Gap
In 2021 appeared a new CSS trick which is called the flexbox gap. This property is borrowed from Grid CSS and is called grid-gap. The gap is used to create space between cells.
A Guide to CSS Flexbox - CoderPad
Problem with gap property in flexbox : r/css
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Using Flexbox Gap to Add Spacing between Flex Items in CSS
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Calculate the Percentage Width of Flex Items When Using Gap
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Calculate the Percentage Width of Flex Items When Using Gap
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