<html>
<body style="-webkit-writing-mode:vertical-rl">
<div style="-webkit-column-count:2;-moz-column-count:2; border:2px solid maroon">
<div style="width:110px"></div>
<div style="background-color:lime; border:2px solid black; height:375px;">
<div style="margin: 10px 0; background-color:green; border: 2px solid blue">
<span style="font-size:64px">In 2nd column</span>
</div>
</div>