<!DOCTYPE html>
<html>
<head>
<style>
.box {
height: 200px;
width: 200px;
margin: 10px;
}
.gradient1 {
background: radial-gradient(5em circle at 55px 125px, yellow, blue);
}
.gradient2 {
background: radial-gradient(5em circle at 55% 65px, yellow, blue);
}
.gradient3 {
background: radial-gradient(5em circle at 55% 135px, yellow, blue);
}
.gradient4 {
background: radial-gradient(5em circle at 45% 50%, yellow, blue);
}
.gradient5 {
background: radial-gradient(5em circle at 55% 50%, yellow, blue);
}
.gradient6 {
background: radial-gradient(5em circle at 135px 50%, yellow, blue);
}
</style>
</head>
<body>
<div class="gradient1 box"></div>
<div class="gradient2 box"></div>
<div class="gradient3 box"></div>
<div class="gradient4 box"></div>
<div class="gradient5 box"></div>
<div class="gradient6 box"></div>
</body>
</html>