viewport scale code example
Example 1: meta name viewport
<meta name="viewport" content="width=device-width, initial-scale=1.0">
Example 2: viewport meta tag
<meta name="viewport" content="width=device-width, initial-scale=1">
Example 3: meta viewport scale
<meta name="viewport" content="width=device-width, user-scalable=no">
Example 4: initial scale viewport
<meta name="viewport" content="width=device-width, initial-scale=1.0">