html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}
  
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #30302e;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}