<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>Test for intrinsic sizing of float around contents with border</title>
    <style>
      body { font-family: sans-serif; line-height: 1.4em; }
      .h, .v-lr, .v-rl { float: left; border: 2px solid blue; margin: 1.5em; padding: 1px; }
      .sw { text-orientation: sideways-right; }
      span { display: inline-block; }
      br { clear: both; }
      .h { writing-mode: horizontal-tb; }
      .v-lr { writing-mode: vertical-lr; }
      .v-rl { writing-mode: vertical-rl; }
      .a { border-inline-start: 1.5em solid transparent; }
      .b { border-inline-end: 1.5em solid transparent; }
      .c { border-block-start: 1.5em solid transparent; }
      .d { border-block-end: 1.5em solid transparent; }
    </style>
  </head>
  <body>
    <p>In each case, the blue border should neatly enclose the text.</p>
    <div class="h">
      <span>12<b class="a">33</b>21</span>
    </div>
    <div class="h">
      <span>12<b class="b">33</b>21</span>
    </div>
    <div class="h">
      <span>12<b class="c">33</b>21</span>
    </div>
    <div class="h">
      <span>12<b class="d">33</b>21</span>
    </div>
    <br>
    <div class="v-lr">
      <div>12<b class="a">33</b>21</div>
    </div>
    <div class="v-lr">
      <div>12<b class="b">33</b>21</div>
    </div>
    <div class="v-lr">
      <div>12<b class="c">33</b>21</div>
    </div>
    <div class="v-lr">
      <div>12<b class="d">33</b>21</div>
    </div>
    <div class="v-lr sw">
      <div>12<b class="c">33</b>21</div>
    </div>
    <div class="v-lr sw">
      <div>12<b class="d">33</b>21</div>
    </div>
    <br>
    <div class="v-rl">
      <div>12<b class="a">33</b>21</div>
    </div>
    <div class="v-rl">
      <div>12<b class="b">33</b>21</div>
    </div>
    <div class="v-rl">
      <div>12<b class="c">33</b>21</div>
    </div>
    <div class="v-rl">
      <div>12<b class="d">33</b>21</div>
    </div>
    <div class="v-rl sw">
      <div>12<b class="c">33</b>21</div>
    </div>
    <div class="v-rl sw">
      <div>12<b class="d">33</b>21</div>
    </div>
  </body>
</html>