CODE
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Illusion Effect</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
background-color: black;
position: relative;
}
.illusion-container {
position: absolute;
top: 50%;
left: 50%;
/* This centers the container on the screen */
width: 300px;
height: 300px;
}
.rectangle {
position: absolute;
border: 6px solid white; /* Wider border */
transform: translate(-50%, -50%);
animation: expand 6s infinite;
opacity: 0;
}
@keyframes expand {
0% {
width: 0;
height: 0;
opacity: 1;
}
100% {
width: 100%;
height: 100%;
opacity: 0;
}
}
</style>
</head>
<body>
<div class="illusion-container">
<div id="illusion"></div>
</div>
<script>
const illusionContainer = document.getElementById('illusion');
function createRectangle() {
const rectangle = document.createElement('div');
rectangle.classList.add('rectangle');
illusionContainer.appendChild(rectangle);
setTimeout(() => {
rectangle.remove();
}, 6000); // Remove rectangle after the animation ends
}
setInterval(createRectangle, 500); // Reduced gap between rectangles
</script>
</body>
</html>
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