Bug | Header issue on iPhone SE / OnePlus

[aadeshkulkarni]

Screenshot

[dhairya-create]

• Flexbox's help made both the buttons (Signup and SignIn) responsive.
• Added whitespace-nowrap to prevent text from wrapping within an element button

[aadeshkulkarni]

Looks good. please raise a PR

[aadeshkulkarni]

Thank you for the contribution