Widget de Registro MailChimp

<style>
#optin { background: #fff url(###RUTA-CARPETA-IMAGES-DE-TU-THEME###/shadow.png) repeat-x top; border: 3px solid #efefef; padding: 20px 15px; }
    #optin input {
        border: 1px solid #ccc;
        width: 80%;
        margin-bottom: 10px;
        font-size: 15px;
        padding: 8px 10px;
        border-radius: 3px;
        -moz-border-radius: 3px;
        -webkit-border-radius: 3px;
        box-shadow: 0 2px 2px #ddd;
        -moz-box-shadow: 0 2px 2px #ddd;
        -webkit-box-shadow: 0 2px 2px #ddd
    }
        #optin input.email { background: #fff url(###RUTA-CARPETA-IMAGES-DE-TU-THEME###/email.png) no-repeat 10px center; padding-left: 35px }
        #optin input.name { background: #fff url(###RUTA-CARPETA-IMAGES-DE-TU-THEME###/name.png) no-repeat 10px center; padding-left: 35px }
        #optin input[type="submit"] {
            background: #f6640e url(###RUTA-CARPETA-IMAGES-DE-TU-THEME###/orange.png) repeat-x top;
            border: 1px solid #a44913;
            color: #fff;
            cursor: pointer;
            font-size: 18px;
            font-weight: bold;
            padding: 8px 0;
            text-shadow: -1px -1px #562806;
            width: 100%
        }
            #optin input[type="submit"]:hover { color: #ffdeb3 }
            #optin h3 { font-size: 18px; }
</style>
<!-- Begin MailChimp Signup Form -->
<div id="optin">
  <h3>¿Me llevas contigo?</h3>
  <p>Recibe mis artículos en tu email y no te perderás ninguno. Es gratis y rápido !!</p>
  <form action="###URL-ACTION-GENERADA-POR-TU-CUENTA-MAILCHIMP" method="post" id="mc-embedded-subscribe-form" name="mc-embedded-subscribe-form" class="validate" target="_blank">
    <input type="text" size="30" value="Pon tu nombre" name="FNAME" class="name" id="mce-FNAME" onfocus="if(this.value==this.defaultValue)this.value='';" onblur="if(this.value=='')this.value=this.defaultValue;">
    <input type="email" size="30" value="Pon tu email" name="EMAIL" class="required email" id="mce-EMAIL" onfocus="if(this.value==this.defaultValue)this.value='';" onblur="if(this.value=='')this.value=this.defaultValue;">
    <div id="mce-responses" class="clear">
      <div class="response" id="mce-error-response" style="display:none"></div>
      <div class="response" id="mce-success-response" style="display:none"></div>
    </div>
    <div class="clear"></div>
      <input type="submit" value="Me suscribo ya!" name="subscribe" id="mc-embedded-subscribe" class="button">
    <p><small>*No te preocupes, yo también odio el spam. Solo recibirás mis artículos y nada más.</small></p>
  </form>
</div>
<!--End mc_embed_signup-->