How css uses the OWL selector

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Use the OWL Selector

Using the universal selector (universal selector) * and the adjacent sibling selector (adjacent sibling selector) + provides a powerful CSS feature that sets uniform rules for all elements in the document stream that follow other elements.

* + * {margin-top: 1.5remt;}

This is a great technique to help you create more uniform types and spacing. In the column above, the elements that follow other elements, such as H4 after H3, or a paragraph after a paragraph, have at least the 1.5rems spacing between them (about 30px)

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