I\'m using the device metrics override in Chrome to test a responsive website for smaller resolutions (320x480 in this case).
My viewport meta tag is not making any
Try this in place of your meta tag. Good luck.
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, target-densityDpi=device-dpi" />