HTML Template for Birthday Greeting in Power Automate Flow

<!DOCTYPE html>
<html>
<head>
<style>
body {
 margin: 0;
  padding: 16px;
  background-color: #512DA8;
}

.birthday-card {
  margin: 40px auto;
  padding: 16px;
  max-width: 400px;
  background-color: white;
  text-align: center;
  box-shadow: 0 24px 40px -8px #311B92;
}
.birthday-card img {
  width: 100%;
}

.source-link {
  text-align: center;
  color: #311B92;
  text-decoration: underline;
}

.source-link a {
  color: #311B92;
  text-decoration: none;
}
</style>
</head>
<body>
<div class="birthday-card">

    <img src="https://image.freepik.com/free-vector/surprise-theme-happy-birthday-card-illustration_1344-199.jpg"  alt="Birthday image">
    <h1>Happy Birthday Paul.</h1>

    <h3>Hope you are having a great day.</h3>

  </div>
  <h6 class="source-link"><a href="https://www.freepik.com/free-photos-vectors/background"</a>Background vector created by Freepik</h6>

</body>
</html>