Having issue with iPhone & Safari Browser for number like Font color not getting change even you already assign by CSS.
Reason is number iPhone identify Number as Phone Number and adding link on it so it getting display like it is anchor link with tel attribute
a[href^=tel] { color: inherit; text-decoration: none; }
Add following Meta tag in head if any number getting very tiny / small in iPhone 5, iPhone 6, iPhone 7 & Safari Browser