1. **Use the Viewport Meta Tag**: Add the viewport meta tag in the `<head>` section of the HTML document to ensure the page width adjusts to match the screen width of different devices. For example:

```html
<meta name="viewport" content="width=device-width, initial-scale=1.0">
```

This line sets the viewport width to match the device width and the initial scale to 1.

2. **Media Queries**: CSS media queries allow you to apply different style rules based on screen sizes. This is a core aspect of responsive design, enabling tailored layouts for various devices. For example:

```css
/* Default styles */
body {
  background-color: lightblue;
}

/* Styles for screens less than 600px wide */
@media (max-width: 600px) {
  body {
    background-color: lightgreen;
  }
}
```

In this example, the background color changes to light green when the screen width is less than 600px.

3. **Flexible Layouts**: Use percentages (%) or viewport units (vw, vh) instead of fixed pixels to define container dimensions, making layouts more adaptable. For example:

```css
.container {
  width: 80%;
}
```

This container's width is 80% of its parent element's width.

4. **Use Frameworks**: Front-end frameworks like Bootstrap can quickly implement responsive websites. These frameworks provide pre-defined responsive components and utility classes, significantly simplifying the design process.

By effectively combining these methods, HTML pages can adapt to various mobile device screens, enhancing user experience.

How can I make an html page automatically fit mobile device screens?

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