:root {
    --appSize: 4em;
    --fullSize: 100%;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 0;
    user-select: none;
    pointer-events: none;
    background: white;
}

.App {
    width: var(--appSize);
    height: var(--appSize);
}

.X_icon {
    width: var(--fullSize);
    height: var(--fullSize);
    background: url(../icon/X_LightMode.svg);
    background-size: cover !important;
    background-position: center !important;
}

@media (prefers-color-scheme: dark) {
    body {
        background: black;
    }

    .X_icon {
        background: url(../icon/X_DarkMode.svg);
    }
}