HTML,
body {
    width: 100%;
    height: 100%;
    margin: 0px;
    border: 0;
    overflow: hidden;
    /*  Disable scrollbars */
    display: block;
    /* No floating content on sides */
}

.controls {
    padding: 1rem;
    width: 10vw;
    position: absolute;

    color: aliceblue;
    font-family: "Open Sans", sans-serif;
    font-optical-sizing: auto;
    font-weight: 300;
    font-style: normal;
    font-variation-settings:
        "wdth" 100;
}

.controls button {
    margin-bottom: .3rem;
}

.container {
    display: flex;
    position: relative;
}