:root {
    --main-color: #202124;
    --alt-color: #ff5733;
    --font: Helvetica, Arial, sans-serif;
    --extra-color:#ff5733;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    font-family: var(--font);
    overflow-x: hidden;
}

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