<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8>
<style>
html {
  font: 12px sans-serif;
}
.h {
  writing-mode: horizontal-tb;
}
.vlr {
  writing-mode: vertical-lr;
}
.vrl {
  writing-mode: vertical-rl;
}
.ltr {
  direction: ltr;
}
.rtl {
  direction: rtl;
}
table {
  border-spacing: 0;
  margin-bottom: 10px;
  caption-side: top;
}
td {
  width: 200px;
  height: 100px;
  background: silver;
  padding: 0;
}
caption {
  background: cyan;
  min-block-size: 20px;
}
</style>
</head>
<body>

<table class="h ltr">
  <caption>table caption</caption>
  <tr><td></td></tr>
</table>

<table class="h rtl">
  <caption>table caption</caption>
  <tr><td></td></tr>
</table>

<table class="vlr ltr">
  <caption>table caption</caption>
  <tr><td></td></tr>
</table>

<table class="vrl ltr">
  <caption>table caption</caption>
  <tr><td></td></tr>
</table>