informel disable submit error

by juliendelort

HTML

<script src="https://unpkg.com/informel"></script>

<inform-el error-disable-submit>
  <form>
    <label>
      First Name
      <inform-field>
        <input type="text" name="firstName" required  />
      </inform-field>
    </label>
    <label>
      Last Name
      <inform-field>
        <input type="text" name="lastName" required />
      </inform-field>
    </label>
    <button type="submit">Submit</button>
  </form>
</inform-el>

CSS

label {
  display: block;
  margin-bottom: 20px;
}
body {
  background: #f6f8fa;
  font-family: arial;
  padding: 20px;
}

inform-el {
  --error-margin: 5px 0; 

}