html, body {
    height: 100%;
    width: 100%;
}

body {
    margin: 0;
    padding: 0;
    overflow: auto;
    text-align: center;
    background-color: #000000;
    flex-direction: column;
    display: flex;
}

#main {
    position: relative;
    width: 100%;
    overflow-y: hidden;
    overflow: hidden;
    overflow-x: hidden;
    display: flex;
    flex-grow: 1;
}