ie does not support css3

IE browser is the default browser of Windows operating system and has always been widely used. However, IE's support for web design is not as good as other modern browsers, especially when it comes to supporting CSS3. This is an important issue for web designers as web design increasingly leans towards using the features of CSS3.

CSS3 is currently the most popular web design style sheet language. It provides many powerful features, such as rounded corners, shadows, gradients, CSS animations, etc. However, IE browser does not support all features of CSS3. When using CSS3 for web design, we must consider the compatibility issues of IE browser.

First of all, when using the new features of CSS3, we need to consider alternatives in IE browsers. For example, CSS3 rounded corners can be replaced by the CSS2 solution supported by IE browser. CSS2's rounded corners use the border-radius property, which supports IE browsers. For shadows and gradients, IE uses filters to achieve them. Although their syntax is different from CSS3, similar effects can be achieved in IE.

There are also some CSS3 features that IE browser simply cannot support. For example, the CSS3 flexbox model is not supported at all in IE9 and below. To solve this problem we need to use a compatibility solution such as CSS3 Flexbox emulator. This simulator simulates CSS3 Flexbox layout through JavaScript. It can be used in IE browser, but it will sacrifice some performance.

In addition, we can use CSS Hack to solve the compatibility problem of IE browser. CSS Hacks are special CSS syntaxes that work differently in different browsers. For example, we can use IE conditional comments to determine whether the web page is opened in IE browser, and then use special CSS syntax to solve the compatibility problem of IE browser.

In general, the compatibility issue of IE browser has become an issue that web designers cannot ignore. Although using CSS3 in modern browsers can create richer and more dynamic web design effects, we must consider IE browser support issues in our design and use alternatives or compatibility solutions. This ensures that our web pages can be displayed normally in different browsers and provides users with a better user experience.

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