class "border-b" is not working

[wangxpert]

<CodeInput ref="codeinput" className="border-b" keyboardType="numeric" activeColor="white" inactiveColor="white" inputPosition='left' cellBorderWidth={1} space={10} autoFocus={true} codeLength={4} size={60} onFulfill={(code) => this.verify(code)} containerStyle={{ marginTop: 50 }} codeInputStyle={{ color: "white", fontSize: 32 }} />

This is the code i used to implement underline codeinput but it's not showing any border. Is there any solution for that?

Thanks

[sandaruny]

remove cellBorderWidth={1}