<!DOCTYPE html> <title>Implicit nesting</title> <link rel="author" title="Steinar H. Gunderson" href="mailto:sesse@chromium.org"> <link rel="help" href="https://drafts.csswg.org/css-nesting-1/"> <link rel="match" href="implicit-nesting-ref.html"> <style> .test { background-color: red; width: 100px; height: 100px; display: grid; } .test-1 { > div { background-color: green; } } .test-2 { .test-2-child { background-color: green; } } .test-2-child { background-color: red; } .test-3-child { background-color: red; } .test-3-child { .test-3 & { background-color: green; } } .test-4 { :is(&) { background-color: green; } } .test { :is(.test-5, &.does-not-exist) { background-color: green; } } body * + * { margin-top: 8px; } </style> <body> <p>Tests pass if <strong>block is green</strong></p> <div class="test test-1"><div></div></div> <div class="test test-2"><div class="test-2-child"></div></div> <div class="test test-3"><div class="test-3-child"></div></div> <div class="test test-4"></div> <div class="test test-5"></div> </body>