What does & mean in CSS

This article introduces the meaning of & in CSS. I hope it will be helpful to friends who are learning CSS! & is the syntax of Sass, indicating the upper level of nesting. There is no & in CSS.

What does & mean in CSS

Such as source code:

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ul{ margin-bottom: 20px; & >li { margin-bottom: 0; } }

& Represents the nested upper level

This is the syntax of sass, representing the upper level selector

is interpreted as The CSS code is as follows

ul{margin-bottom: 20px;} ul > li {margin-bottom: 0;}

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