CSS: How can I customize the phone link on iOS devices?

On iOS devices, phone numbers that are linked are highlighted. This may not match the design under certain circumstances. The following remedies can fix this.

Remove automatic highlighting completely:

<meta name="format-detection" content="telephone=no" />Automatische Markierung optisch anpassen:

Adjust the appearance of automatic marking:

a[href^=tel]{ 
    color:#000; text-decoration:none;
}