Yk.css

.background {

 background-size: 100% 100%;
 background-position: center;
 background-repeat: no-repeat;
 background-attachment: fixed;
 background-image: radial-gradient(
   circle farthest-corner at 11.7% 170.6%,
   #f9b9ff 30%,
   #b1acff 60%,
   #628fff 80%
 );
 font: normal 0.8em arial, sans-serif;
 color: #ddd;

}

/* */