How to make the web page automatically adapt to the different "resolutions" of the monitor?

Take Meizu browser as an example, the specific steps are as follows:

1. After the mobile phone opens the browser, click the third in the middle position.

2. After clicking three in the middle position, click the settings inside.

3. After clicking the settings inside, continue to click the home page.

4. In this way, if there is no problem, start the webpage adaptive screen to make the webpage automatically adapt to the different "resolutions" of the display.