Edit in JSFiddle

<ul>
  <li>A simple button that opens the quote flow</li>
  <Li>Can by styled with your CSS</Li>
</ul>

<script src="https://demo.steadilypartner.com/partner/v3.js" async defer></script>
<style>
  .btn-primary {
    font-family: sans-serif;
    border-radius: 4px;
    border: 0px;
    padding: 8px 24px;
    background-color: #3145d5;
    color: white;
    text-decoration: none;
  }
  .btn-primary:hover {
    cursor: pointer;
    background-color: #2d3c8f;
  }
</style>

<div class="steadily-quote-button"
     data-product="landlord-insurance"
     data-show-modal-on-load="0"
     data-button-class="btn-primary"
     data-button-text="Get landlord insurance"
></div>