body {
    margin: 0;
    max-width: var(--size-max-width);
}

body::-webkit-scrollbar {
    display: none;
}

body::before {
    background-color: var(--color-sky);
    content: '';
    height: 100%;
    left: 0;
    position: fixed;
    top: 0;
    transition: background-color var(--time-sky-transition);
    width: 100%;
    z-index: var(--z-index-background);
}