<form

  action="https://buttondown.com/api/emails/embed-subscribe/petcaresearch"

  method="post"

  class="embeddable-buttondown-form"

>

  <label for="bd-email">Enter your email</label>

  <input type="email" name="email" id="bd-email" />

  <input type="submit" value="Subscribe" />

  <p>

    <a href="https://buttondown.com/refer/petcaresearch" target="_blank">

      Powered by Buttondown.

    </a>

  </p>

</form>

<style>

  .embeddable-buttondown-form {

    display: flex;

    flex-direction: column;

    gap: 8px;

    box-sizing: border-box;

    max-width: 384px;

    padding: 16px;

    border: 1px solid #e4e4e7;

    border-radius: 6px;

    background: #fff;

    color: #18181b;

    font: 14px/1.4 system-ui, sans-serif;

  }

  .embeddable-buttondown-form label,

  .embeddable-buttondown-form legend {

    font-weight: 500;

  }

  .embeddable-buttondown-form input[type="email"],

  .embeddable-buttondown-form input[type="text"],

  .embeddable-buttondown-form select {

    box-sizing: border-box;

    width: 100%;

    padding: 6px 8px;

    border: 1px solid #d4d4d8;

    border-radius: 4px;

    background: #fff;

    color: inherit;

    font: inherit;

  }

  .embeddable-buttondown-form fieldset {

    margin: 0;

    padding: 0;

    border: 0;

  }

  .embeddable-buttondown-form fieldset label {

    display: block;

    font-weight: 400;

  }

  .embeddable-buttondown-form input[type="submit"] {

    padding: 8px 12px;

    border: 0;

    border-radius: 4px;

    background: #18181b;

    color: #fff;

    font: inherit;

    font-weight: 500;

    cursor: pointer;

  }

  .embeddable-buttondown-form p {

    margin: 0;

    font-size: 12px;

    text-align: center;

  }

  .embeddable-buttondown-form p a {

    color: #71717a;

  }

</style>