<meta name="viewport" content="width=device-width, initial-scale=1">
or
@-ms-viewport {
width: device-width;
initial-scale: 1;
}
@viewport {
width: device-width;
initial-scale: 1;
}
or both like this:
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
@-ms-viewport {
width: device-width;
initial-scale: 1;
}
@viewport {
width: device-width;
initial-scale: 1;
}
<style/>