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CSS实现悬浮出现双括号_html/css_WEB-ITnose: a { position: relative; display: inline-block; outline: none; text-decoration: none; color: #000; font-size: 32px; padding: 5px 10px; cursor:hand; } a:hover::before, a:hover::after { position: absolute; } a:hover::before { content: \5B
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