Why is her praise a question?
Set the maximum width to the largest mobile device you want.

JJ.

Hello Mariana,

there are different vieports for different devices like iPhones, Androids, Windows etc. So first you have to know for which device you want create the home page that will differ from laptop or desktop. Below I have given some popular viewports that may be helpful for you. All viewports are arranged in width x height format.

Apple Products

iPhone X - 375x812, iPhone 6/6s/7/8 - 375x667, iPhone 6Plus/6s Plus/7 Plus/8 Plus - 414x736 

Android Devices

Google Pixel/Pixel 2/ Pixel 2 XL - 411X731, Samsung S8-S9+ - 360X740, Samsung S7/S7 Edge - 360X640

Basic smartphones thaose have 5'' screen has viewport 320X600, 5.5'' scree has viewport 320X640

If you have any further query regarding this keep posting. We will be happy to help you

Thanks