10 lines
165 B
HTML
10 lines
165 B
HTML
<style>
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:after{-webkit-mask:url(#);content:counter(a)}
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</style>
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<script>
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function go(){
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a.attachShadow({mode:"closed"})
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}
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</script>
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<body onload=go()>
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<h2 id="a">
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