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<html><head><style>p::before { content: "Read this -";}</style></head><body><h1>Demo of the ::before selector</h1><p>My name is Donald</p><p>I live in Ducksburg</p></body><!-- Mirrored from www.w3schools.com/cssref/tryit.php?filename=trycss_sel_before by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:38:45 GMT --></html>