<!DOCTYPE html>
<
html
lang
=
"en"
>
<
head
>
<
meta
charset
=
"UTF-8"
/>
<
meta
name
=
"viewport"
content
=
"width=device-width, initial-scale=1.0"
/>
<
title
>Document</
title
>
<
style
>
body {
margin: 0;
padding: 0;
background: black;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
}
.geeks {
width: 20px;
height: 20px;
background: green;
border-radius: 50%;
box-shadow: 0 0 20px rgb(127, 153, 127),
0 0 40px rgb(127, 153, 127),
0 0 60px rgb(127, 153, 127),
0 0 80px rgb(127, 153, 127),
0 0 120px rgb(127, 153, 127),
0 0 220px rgb(127, 153, 127),
0 0 320px rgb(127, 153, 127);
transition: 2s;
}
.geeks:hover {
box-shadow: 0 0 0 30px rgb(83, 224, 83),
0 0 0 60px rgb(83, 224, 83),
0 0 0 100px rgb(83, 224, 83),
0 0 0 120px rgb(82, 226, 82),
0 0 0 200px rgb(37, 214, 37),
0 0 0 400px rgb(27, 165, 27),
0 0 0 450px rgb(63, 235, 63);
}
</
style
>
</
head
>
<
body
>
<
div
class
=
"geeks"
></
div
>
</
body
>
</
html
>