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<html><head><style> div { background-color: lightgreen; inline-size: 300px; padding: 10px; border-block-width: 5px; writing-mode: vertical-rl; border-block-style: solid; border-block-color: blue;}</style></head><body><h2>border-block-color: blue:</h2><div> <p>With writing-mode property value set to 'vertical-rl', the borders affected by the border-block-color property is on the left and right.</p></div></body><!-- Mirrored from www.w3schools.com/cssref/tryit.php?filename=trycss_border-block-color_writing-mode by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:35:08 GMT --></html>