What is the principle of responsive layout?

The principle of responsive layout is to enable web pages to automatically adjust according to the screen size and resolution of different devices by using technical means such as elastic grid layout, media queries, elastic images and media, breakpoints and progressive enhancement. Layout and display effects to adapt to browsing on various terminal devices. Detailed introduction: 1. Elastic grid layout is one of the core principles of responsive layout. It uses relative units to define the width of the grid, so that elements in the web page can automatically adjust their position and size according to the size of the grid. By setting the grid The relative width of the grid, the web page can be used in different screen sizes, etc.

The operating system for this tutorial: Windows 10 system, DELL G3 computer.

The principle of responsive layout is to enable web pages to automatically adjust according to the screen size and resolution of different devices by using technical means such as elastic grid layout, media queries, elastic images and media, breakpoints and progressive enhancement. Layout and display effects to adapt to browsing on various terminal devices. I will describe these principles in detail below.

1. Fluid Grid Layout: Fluid Grid Layout is one of the core principles of responsive layout. It uses relative units (such as percentages) to define the width of the grid, allowing elements in the web page to automatically adjust their position and size according to the size of the grid. By setting the relative width of the grid, the web page can automatically adapt to different screen sizes and maintain good proportion and balance.

2. Media Queries: Media queries are another key principle of responsive layout. By using the media query function of CSS, you can apply different style rules based on different media types (such as screen, printer, etc.) and different media characteristics (such as screen width, device orientation, etc.). By setting different media query conditions, you can provide different layouts and styles for different devices, thereby achieving adaptive effects.

3. Flexible Images and Media: In a responsive layout, the size of images and media elements also need to adapt to the screen size. To achieve this, you can use the CSS max-width property to set the maximum width of images and media elements so that they automatically shrink on small screens without exceeding the screen boundaries. This ensures that images and media elements display properly on different devices and provides a good user experience.

4. Breakpoints: Breakpoints refer to critical points for switching layouts under different screen sizes. By setting breakpoints, you can switch different layouts and styles according to changes in screen width. Usually, responsive layout switches the layout at different breakpoints such as small screen, medium screen and large screen. By setting breakpoints appropriately, you can ensure a good user experience across different screen sizes.

5. Progressive Enhancement: One of the design principles of responsive layout is progressive enhancement. Progressive enhancement refers to first providing a good browsing experience for basic devices, and then gradually adding more complex layouts and functions. This ensures that you can still browse the web properly on devices that don't support responsive layout. Through progressive enhancement, we can take into account the browsing needs of different devices and provide a consistent and high-quality user experience.

To sum up, the principle of responsive layout is to realize the adaptability of web pages on different devices through technical means such as elastic grid layout, media queries, elastic pictures and media, breakpoints and progressive enhancement. Layout and display. This layout method can provide a better user experience, enable web pages to adapt to the screen sizes and resolutions of different devices, and improve the accessibility and usability of web pages.

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