What are the new features of css3

CSS3 is an upgraded version of CSS. It has introduced many of the latest specifications before standardization and contains many new features. The emergence of CSS3 has changed the way we design web pages, making it more flexible. Below we will introduce the new features of CSS3 in detail.

1. Powerful selectors

CSS3 introduces a series of new selectors to select the elements we want in a more refined manner, strengthening the capabilities of CSS The ability to choose makes page design more flexible and convenient. For example:

• Attribute selectors
• Pseudo-class selectors
• Pseudo-element selectors
• Child selectors
• Adjacent sibling selectors
• Universal selectors

2. Text effect

CSS3 has added some new text effects, such as:

• Text shadow (Text shadow)
• Text gradient (Text gradient）
• Letter-spacing, Word-spacing
• Text decoration
• Word-break

3. Box effect

The box effect of CSS3 is more powerful and has many new attributes, such as:

• Rounded corners (Border-radius)
• Shadow (box-shadow)
• Color and transparency (RGBA, HSLA)
• Multi-columns layout
• Border image
• Transform
• Transition
• Animation

4. Media query

Media query is one of the important features of CSS3. Using media query, we can control the different styles of the screens of different devices (devices) to achieve responsive layout. For example:

@media screen and (min-width: 1024px) {
  /* styles for screens with a minimum width of 1024px */
}
@media screen and (max-width: 768px) {
  /* styles for screens with a maximum width of 768px */
}

5. 2D/3D conversion

CSS3 also adds new 2D/3D conversion functions. You can use these functions to achieve some cool animation effects. For example:

/* 2D转换 */
div {
  transform: translateY(50%);
  transform: translateZ(30px);
  transform: scale(0.5);
  transform: rotate(180deg);
}

/* 3D转换 */
div {
  transform: translate3d(30px, 50px, 10px);
  transform: rotate3d(1, 0, 0, 45deg);
  transform: scale3d(1.5, 1.5, 1.5);
}

6. Flexbox layout

Flex layout is an important part of CSS3, providing a more intuitive and effective layout method. Flex layout has found a new way to design complex layouts with CSS, making it easier for developers to solve a series of complex problems. Flexbox makes it easy to adjust the layout by specifying the flex property. For example:

.container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.item {
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: auto;
  align-self: auto;
}

In short, CSS3 is a great technology that brings us a simpler and more flexible page design method, making the page design more vivid and creative. However, since different browsers have different levels of support for CSS3, you need to be particularly careful when implementing it and make better choices based on the actual situation when designing the page.

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