If you want to enable pinch to zoom on mobile, you need to place this code in a child theme's functions.php file:

function remove_my_action() {
remove_action('wp_head', 'et_add_viewport_meta');
function custom_et_add_viewport_meta(){
echo '<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=2.0, user-scalable=1" />';
add_action( 'init', 'remove_my_action');
add_action( 'wp_head', 'custom_et_add_viewport_meta' );

The depth of the zoom can be controlled from this part:


For a deeper zoom, change the value to 2.5, 3.0, etc.

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