body {
    background-color: #000000;
    margin: 0;
    padding: 0;
}

body, html {
    height: 100%;
    width: 100%;
}

canvas {
    display: block;
}

#particles-js {
    background-position: 50% 50%;
    background-repeat: no-repeat;
    background-size: cover;
    height: 100%;
    width: 100%;
}