prevent zoom of input field mobile code example
Example: stop window from zoom in on input focus on mobile devices
<meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, user-scalable=no;user-scalable=0;"/>
<meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, user-scalable=no;user-scalable=0;"/>