third_party/WebKit/LayoutTests/fast/writing-mode/basic-vertical-line.html

<div style="-webkit-writing-mode: vertical-lr; -webkit-text-orientation: sideways-right; height:300px; border:2px solid maroon">
<span style="border-top: 5px solid black; border-bottom:5px solid black; padding-top:5px; padding-bottom:5px"><img style="height:200px;width:100px;background-color:green"></span>
<br>
<span style="border-top: 5px solid black; border-bottom:5px solid black; padding-top:5px; padding-bottom:5px"><img style="height:200px;width:100px;background-color:green"></span>
<br>
<span style="border-top: 5px solid black; border-bottom:5px solid black; padding-top:5px; padding-bottom:5px"><img style="height:200px;width:100px;background-color:green"></span>
</div>