x
<html><head><style>div { background-color: lightgreen; inline-size: 70%; border-block-start-style: solid;}#example1 { border-block-style: solid; border-block-width: 10px;}#example2 { border-block-style: solid; border-block-width: thin thick;}</style></head><body><h2>border-block-width: 10px:</h2><div id="example1"> <p>The border-block-width property defines the width of the border in the start and end in the block direction.</p></div><h2>border-block-width: thin thick:</h2><div id="example2"> <p>If two values are set; the first one is for the start in the block direction, and the second one is for the end in the block direction.</p></div></body></html>