JSFiddle - React, Tailwind, and code Playground

HTML

<form name="commentForm" method="post">
    <p>
      <label>Імя:
        <input id="userName" type="text" name="name" required>
      </label>
    </p>
    <p>
      <label>E-mail:
        <input id="userEmail" type="text" name="email" required>
      </label>
    </p>
    <p>Комментар<br>
      <textarea id="comment" cols="100" rows="5" name="comment" required></textarea><br>
    </p>
    <p>
      <button type="submit" id="sendComment">Send</button>
    </p>
  </form>

CSS

td select,
    td input {
      width: 150px;
    }

    label {
      display: inline;
    }

    .error input,
    .error textarea {
      border: 1px solid red;
    }

    .error {
      color: red;
    }