- breakpoints: Object
- direction: "ltr"
- components: Object
- palette: Object
- spacing: f spacing()
- shape: Object
- mixins: Object
- shadows: Array(25)
- typography: Object
- transitions: Object
- zIndex: Object
If you want to learn more about how the theme is assembled, take a look at material-ui/style/createTheme.js, and the related imports which createTheme uses.