<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <title>word-break example</title>
    <link rel="stylesheet" href="styles.css" />
    <style>
      * {
        box-sizing: border-box;
      }

      .preview input[type="checkbox"] {
        display: inline;
      }

      .field {
        inline-size: 150px;
        border: 1px solid #ccc;
        margin-block-end: 1em;
        padding: 10px;
      }
    </style>

    <style class="editable">
      .field-br {
        word-break: 