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<html><head><style>h1 { text-decoration: overline;}h2 { text-decoration: line-through;}h3 { text-decoration: underline;}p.ex { text-decoration: overline underline;}</style></head><body><h1>Overline text decoration</h1><h2>Line-through text decoration</h2><h3>Underline text decoration</h3><p class="ex">Overline and underline text decoration.</p><p><strong>Note:</strong> It is not recommended to underline text that is not a link, as this often confuses the reader.</p></body></html>