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<html><head><style>.center { text-align: center; border: 3px solid green;}</style></head><body><h2>Center Text</h2><div class="center"> <p>This text is centered.</p></div></body></html><html><head><style>.center { text-align: center; border: 3px solid green;}</style></head><body><h2>Center Text</h2><div class="center"> <p>This text is centered.</p></div></body></html>