::-webkit-scrollbar { width: 8px;}
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #888; }
::-webkit-scrollbar-thumb:hover { background: #555; }

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    background-color: #f8fafc;
}