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  <style>.circled-one::after{content:"\2776"}</style>
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  <h1>HTML Number Entities</h1>
  <p>Decimal digits: &#48;&#49;&#50; (same as 012)</p>
  <p>Fractions: &frac12; &frac14; &frac34;</p>
  <p>Superscript: 10&sup2; m&sup3;</p>
  <p>Circled via CSS: <span class=circled-one></span></p>
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