.background {
    position: fixed;
    inset: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background-color: var(--panel);
    background-image: radial-gradient(var(--dot) 1px, transparent 1.3px);
    background-size: 22px 22px;
    transition: background-color .3s;
}