canvas {
    display: block;
    /* vertical-align: middle; */
}

/* ---- particles.js container ---- */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: #010409;
    background-image: url("");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50% 50%;
    z-index: -10;
}