:root {
    /* Neutral Base 10 with 10% opacity. */
    --slds-g-color-neutral-10-opacity-10: rgba(24, 24, 24, 0.1);
    /* Neutral Base 10 with 25% opacity. */
    --slds-g-color-neutral-10-opacity-25: rgba(24, 24, 24, 0.25);
    /* Neutral Base 10 with 50% opacity. */
    --slds-g-color-neutral-10-opacity-50: rgba(24, 24, 24, 0.5);
    /* Neutral Base 10 with 75% opacity. */
    --slds-g-color-neutral-10-opacity-75: rgba(24, 24, 24, 0.75);
    /* Neutral Base 100 with 10% opacity. */
    --slds-g-color-neutral-100-opacity-10: rgba(255, 255, 255, 0.1);
    /* Neutral Base 100 with 25% opacity. */
    --slds-g-color-neutral-100-opacity-25: rgba(255, 255, 255, 0.25);
    /* Neutral Base 100 with 50% opacity. */
    --slds-g-color-neutral-100-opacity-50: rgba(255, 255, 255, 0.5);
    /* Neutral Base 100 with 75% opacity. */
    --slds-g-color-neutral-100-opacity-75: rgba(255, 255, 255, 0.75);
  }