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                <!doctype html>
<html ⚡4email>
    <meta charset="utf-8">
    <style amp4email-boilerplate>body{visibility:hidden}</style>
    <script async src=""></script>
    <script async custom-element="amp-selector" src=""></script>
    <script async custom-element="amp-form" src=""></script>
    <style amp-custom>
      body {
        font-family: Roboto, Arial, sans-serif;
        background: linear-gradient(-36deg, #f3c087
          , #e88b21) fixed;
      h1 {
        color: #e88b21;
      .container {
        border-radius: 5px;
        text-align: center;
        padding: 5px 20px 20px 20px;
        margin: 40px auto;
        width: 500px;
        max-width: 90%;
        background: white;
      .amp-form-submit-success #form-content {
        display: none;
      amp-selector [option] {
        margin: 10px;
        width: 40%;
        display: inline-block;
        border: 2px solid #e6e6e6;
        border-radius: 5px;
        padding: 10px;
        outline: 0;
      amp-selector [option][selected] {
        border-color: #e88b21;
        outline: 0;
      .updateButton {
        background: #e88b21;
        color: white;
        border: 0;
        border-radius: 5px;
        padding: 10px 20px;
        font: inherit;
        font-weight: 300;
        margin-top: 10px;
    <div class="container">
    <!-- is used as a placeholder that allows for AMP submits -->
      <form action-xhr="" method="post">
        <div id="form-content">
          <h1>Thanks for subscribing to SparkPost Emails!</h1>
          <p>What kind of emails should we send you?</p>
          <amp-selector name="subscriptions" multiple>
            <div option="account-metrics" selected>Weekly Account Metrics</div>
            <div option="daily-reviews" selected>Daily Deliverability Report</div>
            <div option="newsletter" selected>Beta Tester Newsletter</div>
            <div option="product-updates" selected>Product Team Updates</div>
          <input type="submit" value="Update" class="updateButton">
        <div submit-success>
          <h1>Got it! We will update your preferences within 24 hours</h1>