Formuario con Kimera CSS framework

implementacion de kimera css

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<script src="https://cdn.jsdelivr.net/npm/[email protected]/js/kimera.min.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/css/kimera.min.css">
<mega class="is-full-center">
  <h1 class="padding-v-2">
    <white>Kimera</white> <danger>CSS</danger>
  </h1>
  <form class="color-cloud padding-2" no-validate>
    <fab>
        <button type="floating" class="is-large is-danger is-toggle-fab">
          <icon>
            <i class="fa fa-plus"></i>
          </icon>
        </button>
        <fabmenu class="is-down is-visible">
            <button class="is-success is-rounded" type="floating">
              <icon>
                <i class="fa fa-bookmark"></i>
              </icon>
            </button>
            <button class="is-warning is-rounded" type="floating">
              <icon>
                <i class="fa fa-pencil"></i>
              </icon>
            </button>
            <button class="is-primary is-rounded" type="floating">
              <icon>
                <i class="fa fa-bolt"></i>
              </icon>
            </button>
        </fabmenu>
    </fab>
      <responsive class="is-square-128">
      <img src="https://mir-s3-cdn-cf.behance.net/project_modules/hd/10d1699341307.560ccb35608dd.jpg" alt="" class="is-rounded">
     </responsive>    
     <div class="padding-v-2">
       <field>
        <input id="user" type="text" class="input is-material is-small" required placeholder="Enter username" min="4">
        <help class="is-text-tiny is-validate">El usuario debe contenerminimo 4 digitos.</help>
      </field>
      <field>
        <input id="pass" type="password" class="input is-material is-small" placeholder="Enter current password" required min="4">
        <help class="is-validate is-text-tiny">Tu contraseña debe tener minimo 4 digitos</help>
      </field>
       <item class="is-small">
      ...