-<body style="-webkit-writing-mode:vertical-rl; height:1200px">
+<body style="-webkit-writing-mode:vertical-rl; height:1200px; overflow: hidden;">
<div style="-moz-column-width:300px; -webkit-column-width:300px; column-width:300px; border:2px solid black; width:400px">
This is some text.<br>
This is some text.<br>This is some text.<br>This is some text.<br>This is some text.<br>This is some text.<br>This is some text.<br>