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<html><head><style>::selection { /* Code for Firefox */ color: red; background: yellow;}::selection { color: red; background: yellow;}</style></head><body><h1>Select some text on this page:</h1><p>This is a paragraph.</p><div>This is some text in a div element.</div><p><strong>Note:</strong> ::selection is not supported in Internet Explorer 8 and earlier versions.</p><p><strong>Note:</strong> Firefox supports an alternative, the ::-moz-selection property.</p></body></html>