body > #content {
    position: fixed;
    left: 0; bottom: 0;
    width: calc(100vw - var(--side-bar-size));
    height: calc(100vh - var(--top-bar-size) - 1vmin);

    padding: 0; margin: 0;

    background: var(--logo-background);

    transition: all .25s;

    & > svg {
        position: absolute;
        left: 50%; top: 50%;
        max-width: 100%; max-height: 100%;

        transform: translate(-50%, -50%);
    }
}