.MainCursorShadow_ .Shadow{
    width: 0;
    height: 0;
    position: fixed;
    z-index: 999;
    pointer-events: none;
    backdrop-filter: invert(100%);
    left: 0;
    top: 0;
    border-radius: 50%;
}
body:hover .MainCursorShadow_ .Shadow{
    width: 25px;
    height: 25px;
    transition: .1s;
}