gistfile1.txt

#mc_embed_signup{
      background:#fff; 
      clear:left; 
      font:14px Helvetica, Arial,sans-serif;  
      width:290px; 
      text-align: center!important;
    }
    #mc-embedded-subscribe { 
      background-color: #000!important; 
      border-radius: 0!important; 
      padding: 4px!important; 
      width: auto!important;
      margin: 0 auto!important;
    }
    #mc-embedded-subscribe-form {
      text-align:center!important;
    }
    #mc_embed_signup input.email {
      margin: 4% auto;
    }