5 div { font:
16px system-ui; margin:
1em; border:
1px solid gray; }
6 li::marker { font-family: -moz-bullet-font, system-ui; }
7 .right { list-style-type:
"\25b8\a0"; }
8 .left { list-style-type:
"\25c2\a0"; }
9 .down { list-style-type:
"\25be\a0"; }
10 .up { list-style-type:
"\25b4\a0"; }
13 <div style=
"width: 10em">
15 <li class=right
>closed
24 <div style=
"writing-mode: vertical-lr; height: 10em">
35 <div style=
"writing-mode: vertical-rl; height: 10em">