css happy birthday effects code example
Example: happy birthday html animation
<p>HAPPY BIRTHDAY</p>
<style>
body{
background-image: url("https://giphy.com/gifs/KdC9XVrVYOVu6zZiMH/html5");
}
<p>HAPPY BIRTHDAY</p>
<style>
body{
background-image: url("https://giphy.com/gifs/KdC9XVrVYOVu6zZiMH/html5");
}