/* ---- reset ---- */
body {
    margin: 0;
    font: normal 75% Arial, Helvetica, sans-serif;
}

canvas {
    display: block;
    vertical-align: bottom;
}

/* ---- particles.js container ---- */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #23272a;
    background-image: url("https://img.philipp-lisch.com/logo.png");
    background-repeat: no-repeat;
    background-size: 20%;
    background-position: 50% 50%;
}