meta tag for responsive code example

Example 1: responsive meta tag

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

Example 2: viewport meta tag

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

Example 3: meta responsive

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

Example 4: meta viewport scale

<meta name="viewport" content="width=device-width, user-scalable=no">