.sticky-animation {
    position: absolute;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background:#f0f0f0;
    animation: ripple 15s infinite;
}
  
.small {
    width: 50px;
    height: 50px;
    left: -25px;
    bottom: -25px;
}
  
.medium {
    width: 100px;
    height: 100px;
    left: -50px;
    bottom: -50px;
}
  
.large {
    width: 200px;
    height: 200px;
    left: -100px;
    bottom: -100px;
}
  
.xlarge {
    width: 300px;
    height: 300px;
    left: -150px;
    bottom: -150px;
}
  
.xxlarge {
    width: 400px;
    height: 400px;
    left: -200px;
    bottom: -200px;
}
  
.shade1 {
    opacity: 0.2;
}

.shade2 {
    opacity: 0.5;
}
  
.shade3 {
    opacity: 0.7;
}
  
.shade4 {
    opacity: 0.8;
}
  
.shade5 {
    opacity: 0.9;
}
  
@keyframes ripple{
    0%{
        transform: scale(0.8);
    }
    
    50%{
        transform: scale(1.2);
    }
    
    100%{
        transform: scale(0.8);
    }
}