What are the entry-level knowledge points of HTML5+CSS3

This article mainly introduces the relevant knowledge of "what are the entry knowledge points of HTML5+CSS3". Xiao Bian shows you the operation process through actual cases. The operation method is simple, fast and practical. I hope this article "what are the entry knowledge points of HTML5+CSS3" can help you solve the problem.

1. Response formula of layout:

Absolute size cannot be used

Use float to make the layout fluid and less prone to horizontal scroll bars

2. Responsive style of font

Use relative fonts

3. Responsive formulas for media resources such as pictures and videos

Set width max-width:100%; or width: 100%;

4. Use of css3 media queries

The key to responsive design is the application of media queries. There are two ways to apply media queries.

①

② Import via @import url ("tinyScreen.css") screen and (max-device-width: 400px); in css file

5. meta tags in html set viewport width to ideal viewport width (only valid for mobile browsers)

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