viewport

1    <meta name="viewport" content="width=device-width, initial-scale=1.0">
2    <meta name="description" content="A page's description, usually one or two sentences." />
3    <meta name="keywords" content="banana, banana facts" />

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3<meta name="viewport" content="width=device-width, initial-scale=1.0">
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1<meta name="viewport" content="width=device-width, initial-scale=1">

1<meta name="viewport" content="width=device-width, initial-scale=0.9, user-scalable=no">

1// viewport for Responsive Design
2<meta name="viewport" content="width=device-width, initial-scale=1.0">

1<!-- Responsive // Viewport -->
2<meta http-equiv="X-UA-Compatible" content="IE=edge">
3<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
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