Justifying items to the right in Flexbox

why you can’t justify a single flex item to the right, since justify-self and float are ignored in flexbox, and when space-between works

There appears to be no way of justifying a single flex-item to the right
There is justify-content, which juystifies all flex items inside a container
There is a CSS property called justify-self which can take values such as start and end, but it is ignored in flexbox and table cell layouts
You can’t float inside a flex container because the property does not apply to flex boxes
If two flex items are on the same level, you can use justify-content: space-between to move one to the left and the other to the right
justify-content: space-between only works if there is enough space to move around items, meaning if it is not working for you, check the width of the parent container

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