import "@material-ui/styles"; declare module "@mui/material/styles" { interface Palette { custom: { lightPurple: Palette["primary"], darkPurple: Palette["primary"], brightPurple: Palette["primary"], grey: Palette["primary"], }; } interface PaletteOptions { custom: { lightPurple: PaletteOptions["primary"], darkPurple: PaletteOptions["primary"], brightPurple: PaletteOptions["primary"], grey: PaletteOptions["primary"], }; } interface TypographyVariants { infographic: React.CSSProperties; } interface TypographyVariantsOptions { infographic?: React.CSSProperties; } } declare module "@mui/material/Typography" { interface TypographyPropsVariantOverrides { infographic: true; } }