<div id="PARENTID">
  <a id="HTMLELEMENTID" style="display: inline-block; padding: 10px 25px; background-color: #3A4BC8; color: #fff; font-family: Montserrat, sans-serif; font-size: 19px; line-height: 25px; border-radius: 5px; outline: none; cursor: pointer; text-decoration: none; box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);"
     data-cal-link="CALCOMLINK" data-cal-config='{"layout":"SETLAYOUT"}'>BUTTONTEXT</a>
</div>