iPhone 18 Pro
Popular BreakpointPro camera system with 5x optical zoom and ProMotion display
Site Headers Restrict Iframes
sends X-Frame-Options or CSP headers blocking iframe embedding.
env(safe-area-inset-top: 54px)iPhone 18 Pro Testing FAQs
Common questions about responsive web design on iPhone 18 Pro.
What are the CSS safe area insets for iPhone 18 Pro?
The iPhone 18 Pro uses env(safe-area-inset-top) for Dynamic Island or Home Button clearance, and env(safe-area-inset-bottom) for the swipe-to-home indicator. Always set font-size: 16px minimum on inputs to prevent iOS Safari auto-zoom.
What is the viewport resolution of the iPhone 18 Pro?
The iPhone 18 Pro has a CSS viewport of 402px × 874px at a device pixel ratio of 3x. The physical resolution is 1206 × 2622 pixels.
Why does my website zoom in on iPhones?
iOS Safari auto-zooms into form inputs with font-size under 16px. Always set font-size: 16px or larger on all inputs. Also ensure your viewport meta tag includes width=device-width, initial-scale=1.0.