<!DOCTYPE html> | |
<meta charset="UTF-8"> | |
<title>CSS Reference: symbols function, invalid</title> | |
<link rel="author" title="Xidorn Quan" href="https://www.upsuper.org/"> | |
<link rel="stylesheet" href="support/ref-common.css"> | |
<div>!2. </div> | |
<div>!1. </div> | |
<div>0. </div> | |
<div>1. </div> | |
<div>2. </div> |