11 Jul 2025

Web pages developed using HTML5 and CSS3 should follow semantic tags, reasonable layout, responsive design and compatibility processing. 1. Use semantic tags such as, etc. to improve structural clarity and SEO; 2. Use Flexbox to achieve one-dimensional layout, and Grid handles two-dimensional layout to avoid excessive nesting; 3. Set breakpoints through media queries to achieve responsive design, adopt mobile-first strategy; 4. Pay attention to browser compatibility, use CanIUse to check support, and combine Autoprefixer to add prefixes and provide fallback solutions.

23 Nov 2024

Drawing Circles with HTML5 and CSS3This question explores the possibility of drawing circles using HTML5 and CSS3.Can HTML5 and CSS3 Create...

23 Nov 2024

Drawing Circles in HTML5 and CSS3Although HTML5 and CSS3 do not have native support for drawing circles directly, it is possible to replicate the...

11 Jul 2025

Creating 3D graphics with Three.js and HTML5 is not difficult, the key is to understand the basic structure and core components. 1. Introduce Three.js and set up HTML structure; 2. Build scenes, cameras and renderers; 3. Add 3D objects (geometry, material, mesh); 4. Deal with common problems such as size adaptation, light source settings and performance optimization. After mastering these steps, you can achieve basic 3D scenes and expand more complex effects.

13 Jul 2025

The key to making a responsive website lies in the reasonable cooperation between HTML5 and CSS3, and the core is to make web pages display well on different devices. 1. Use HTML5 semantic tags to build clear structures, such as, , etc., to make the code easier to read and facilitate search engine crawling; 2. Use CSS3 media query to achieve multi-device adaptation, and apply different rules by detecting screen width, such as setting breakpoints such as mobile phones and tablets; 3. Use elastic layout (Flexbox or Grid) to deal with alignment and arrangement issues, and ensure that the navigation bar and other content automatically adapt to the screen; 4. Set image adaptation, use max-width:100% and srcset attributes to ensure that the image does not destroy the layout and improve the loading effect. Mastering these four key points can achieve compatibility with multiple settings

26 Nov 2024

Creating Circular Elements in HTML5 with CSS3Drawing a circle directly in HTML5 using standard elements is not possible. However, we can create an...