:root, ::backdrop{
    --background-color-default: #242424;
    --background-color-reverse: #dbdbdb;

    --midground-color-default: #262626;

    --foreground-color-default: #282828;
    --foreground-color-reverse: #d7d7d7;

    --foreground-color-grade00: #282828;
    --foreground-color-grade10: #2c2c2c;
    --foreground-color-grade20: #2f2f2f;
    --foreground-color-grade30: #363636;
    --foreground-color-grade40: #404040;
    --foreground-color-grade50: #474747;
    --foreground-color-grade60: #4d4d4d;
    --foreground-color-grade70: #575757;
    --foreground-color-grade80: #606060;
    --foreground-color-grade90: #707070;

    --background-color-alerting: #6C0000;

    --text-color-default: #f0f0f0;

    --selection-color: #0000ff;

    --checked-color: #00c000;
    --denied-color: #c00000;
}