There are 6 values of border radius available in the default theme - that are none, xs, sm, md, lg, xl, 2xl and circle.
 
<Div h={40} w={40} bg="green500"></Div>
<Div h={40} w={40} bg="green500" rounded="sm"></Div>
<Div h={40} w={40} bg="green500" rounded="md"></Div>
<Div h={40} w={40} bg="green500" rounded="lg"></Div>
<Div h={40} w={40} bg="green500" rounded="xl"></Div>
<Div h={40} w={40} bg="green500" rounded="2xl"></Div>
<Div h={40} w={40} bg="green500" rounded="circle"></Div>| Size | Value | 
|---|---|
| none | 0 | 
| xs | 2 | 
| sm | 4 | 
| md | 6 | 
| lg | 8 | 
| xl | 12 | 
| 2xl | 16 | 
| circle | 10000 | 
import React from "react";
import { AppRegistry } from "react-native";
import { ThemeProvider, Text } from "react-native-magnus";
import App from "./src/App";
const theme = {
  borderRadius: {
    "3xl": 20,
  },
};
export default function Main() {
  return (
    <ThemeProvider theme={theme}>
      <Div h={40} w={40} bg="green500" rounded="3xl"></Div>
    </ThemeProvider>
  );
}