<meta name="viewport" content="width=device-width, height=device-height">

@-ms-viewport {
    height: device-height;
    width: device-width;
}

<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, target-densitydpi=medium-dpi, user-scalable=0" />

@viewport
{
width:320px;
}

@-ms-viewport {
width:320px;
zoom-user:fixed;
max-zoom:1;
min-zoom:1;
}

body, html {
  -ms-overflow-style: none !important;
}