Mobile-first design means creating apps and websites that work great on your...

https://wiki-view.win/index.php/Why_Do_Mobile_Users_Miss_Buttons_Even_When_They_Are_on_the_Screen%3F

Mobile-first design means creating apps and websites that work great on your phone before anything else. It’s built for speed, so pages load fast even on the go. Buttons and menus are larger and easy to tap with your fingers