#mouse-stalker {
    pointer-events: none;
    position: fixed;
    top: -10px;
    left: -10px;
    width: 20px;
    height: 20px;
    background: rgba(0,165,160,0.5);
    border-radius: 50%;
    transform: translate(0,0);
    transition: transform 0.2s;
    transition-timing-function: ease-out;
    z-index: 999;
}