trouble centering form about contactform HOT 1 CLOSED

<template name="contact">
  <div class="container contact" id="contact">
    <div class="row">
      <div class="col-xs-12 col-md-8 col-md-offset-2 col-lg-6">
        <h2>Contact</h2>
      </div>
    </div>

    <div class="row">
      <div class="col-xs-12 col-md-offset-2">
        {{ > contactForm }}
      </div>
    </div>
  </div>
</template>