Here is the problem: You create your web project (website or other), think it looks all good and once you see it on iOS mobile device you find ugly blue links for phone numbers.
How to remove iOS blue automatic style?
Remove the automatic links with a meta
<meta name="format-detection" content="telephone=no" />
More information about iOS meta on developer.apple.com
Style the automatic links
a[href^=tel]{ color:#000; text-decoration:none;}
Done!
Hope that will help someone!