HTML Tutorial: How to Use Flexbox for Evenly Distributed Layout-HTML Tutorial-php.cn

HTML Tutorial: How to Use Flexbox for Evenly Distributed Layout

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Release： 2023-10-16 09:31:54

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HTML Tutorial: How to Use Flexbox for Evenly Distributed Layout

Introduction:
In web design, it is often necessary to layout elements. Traditional layout methods have some limitations, and Flexbox (flexible box layout) is a layout method that can provide more flexibility and power. This article will introduce how to use Flexbox to achieve even distribution layout, and give specific code examples.

1. Introduction to Flexbox
Flexbox is a flexible box layout model introduced in CSS3, which allows elements to better respond to screens and devices of different sizes and provides a more flexible arrangement. By setting the properties of the container and child elements, we can easily create various layout effects, including evenly distributed layouts.

2. Steps to use Flexbox to achieve even distribution of layout

Create an HTML structure, including a container and multiple sub-elements.

<div class="container">
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
</div>

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Set the display property of the container to "flex" to enable Flexbox layout.
```
.container {
  display: flex;
}
```
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Set the flex property of the child elements to "1" so that all child elements occupy the available space equally. And set the margin attribute of the child element to the appropriate value to create spacing.
```
.item {
  flex: 1;
  margin: 10px;
}
```
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Optional: Adjust other attributes, such as justify-content and align-items, as needed to control the alignment of child elements within the container.

3. Complete code example

<!DOCTYPE html>
<html>
<head>
  <style>
    .container {
      display: flex;
    }
    
    .item {
      flex: 1;
      margin: 10px;
      background-color: #ccc;
      height: 100px;
    }
  </style>
</head>
<body>
  <div class="container">
    <div class="item"></div>
    <div class="item"></div>
    <div class="item"></div>
  </div>
</body>
</html>

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4. Summary
Using Flexbox to evenly distribute layout is very simple, just set the display attribute of the container to "flex", and the child elements The flex attribute of "1" can achieve the effect of even distribution. By adjusting other attributes, you can also achieve more flexible and diverse layout effects.

It should be noted that Flexbox has good compatibility, but some compatibility issues with older browsers still need to be considered. In actual development, browser prefixes can be automatically added by using tools such as Autoprefixer to ensure compatibility.

I hope this article can help everyone better understand and use Flexbox to achieve even distribution layout. I wish you all the best in web design!

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