html--一朵花

html

<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>CodePen - Flowers</title>

<link rel="stylesheet" href="css/style.css">

</head>
<body>

<div id="controls"></div>

<script src='js/p5.min.js'></script>
<script src="js/script.js"></script>

</body>
</html>

css

* { margin:0; padding:0; } 
html, body { width:100%; height:100%; overflow: hidden; background:black;} 
canvas { display:block; }
#controls {
  z-index: 2;
  margin: 20px;
  position: absolute;
  top: 0; left: 0;
  color: white;
}

js