body {
    overflow: hidden;
    padding: 0;
    margin: 0;
}

canvas {
    background-color: black;
    position: absolute;
    left: 0;
    top: 0;
    z-index: -123;
}

.content {
    margin: 20px;
    padding-left: 200px;
}

.haz-main-menu {
    margin-top: 4rem;
    width: 700px;
    height: 500px;
    color: white;
    background-color: rgba(100, 100, 200, 0.5)
}

.haz-buttons {
    padding: 50px;
}