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<html><head><style> #example { background-color: lightgreen; inline-size: 300px; padding: 10px; border-block-style: solid; writing-mode: vertical-rl; border-block-width: 5px;}</style></head><body><h2>border-block-width: 5px:</h2><div id="example"> <p>With writing-mode property value set to 'vertical-rl', the borders affected by the border-block-width property is on the left and right.</p></div></body></html>