#stalker{
    position: fixed;
    transform: translate(-50%,-50%);
    width: 15px;
    height: 15px;
    border-radius: 50%;
    border: solid 1px #ffffff;
    pointer-events: none;
    z-index: 100;
    mix-blend-mode: difference;
    opacity: 0;
}
.stalkerTargetAround{
    position: absolute;
    transform: translate(-50%,-50%);
    left: 50%;
    top: 50%;
    width: calc(100% + 100px);
    height: calc(100% + 100px);
    z-index: -1;
}