html{
   background: #808080;
}
 
#particles-js{
  position: fixed;
  z-index: 1;
  left:0;
  top:0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(90deg,#F24645  ,#4F00BC );
}
.count-particles{
  box-sizing: border-box;
  position: relative;
  width: 200px;
  height: 100px;
  background-color: white;
  z-index: 2;
  margin: 50px auto;
  text-align:center;
  font-size: 29px;
  background: linear-gradient(90deg,#808080  ,#E6E6E6 );
  border-radius:10px;
  padding: 31px;
  color:green;
  box-shadow:0 0 30px #fff,
    0 0 50px #fff inset;
  cursor: pointer;
  &:hover{
    box-shadow:0 0 50px #44C1EB,
      0 0 50px #44C1EB inset;
    color:#44C1EB;
  }