4 -webkit-writing-mode: vertical-lr;
10 border:
10px solid maroon;
26 background-color: black;
30 <div class=
"columns left">
38 <div class=
"rule"></div>
46 <div class=
"rule"></div>
53 <div class=
"columns right" style=
"direction:rtl;">
61 <div class=
"rule"></div>
69 <div class=
"rule"></div>