body {
    color: #fff;
}

#vanta-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.main-content {
    position: relative;
    z-index: 1;
    padding-top: 80px;
}

.navbar {
    position: relative;
    z-index: 2;
}