CSS Layout Tutorial: The Best Way to Implement Holy Grail Layout

CSS Layout Tutorial: The Best Way to Implement Holy Grail Layout, with Code Examples

Introduction:

In web development, layout is very important a part of. A good layout can make a web page more readable and accessible. Among them, the Holy Grail layout is a very classic layout method. It can center the content and maintain an elegant display effect while achieving adaptability. This article will introduce how to use the best method to implement the Holy Grail layout and give specific code examples.

1. What is the Holy Grail layout?

The Holy Grail layout is a common three-column layout that contains a fixed-width middle column and two adaptive sidebars. Among them, the middle column is located at the front of the document flow, and the left and right sidebars are located on the left and right sides of the middle column respectively. The overall width of the three columns is 100%. The layout adapts to different screen sizes and allows content to be centered.

2. The best implementation method:

1. Use flexbox layout:

Flexbox is a powerful CSS layout module that can be easily implemented Complex layout requirements. The following is a code example using flexbox to implement the Holy Grail layout:

HTML structure:

<div class="container">
  <div class="middle">中间栏</div>
  <div class="left">左侧栏</div>
  <div class="right">右侧栏</div>
</div>

CSS style:

.container {
  display: flex;
  flex-direction: row;
}

.middle {
  flex: 1 0 0;
  order: 2;
}

.left, .right {
  flex: 0 0 200px;
}

.left {
  order: 1;
}

.right {
  order: 3;
}

In the above code, by setting the flex attribute and order attribute, The middle column is adaptive and centered, while the width of the left and right sidebars is kept fixed.

2. Use grid layout:

Grid layout is a new layout method provided in CSS3. It can divide the web page into multiple grids to facilitate complex implementation. layout effect. The following is a code example that uses grid layout to implement the Holy Grail layout:

HTML structure:

<div class="container">
  <div class="middle">中间栏</div>
  <div class="left">左侧栏</div>
  <div class="right">右侧栏</div>
</div>

CSS style:

.container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-rows: auto;
  grid-template-areas: 
    "left middle right";
}

.middle {
  grid-area: middle;
  justify-self: center;
}

.left {
  grid-area: left;
}

.right {
  grid-area: right;
}

The above code uses the related properties of the grid layout to implement the Holy Grail layout . By setting the grid-template-columns attribute, the web page is divided into three equal-width grids, and the grid-template-areas attribute is used to specify the position of each column.

3. Summary:

This article introduces the two best methods to implement the Holy Grail layout, using flexbox layout and grid layout respectively. With these two methods, we can easily achieve a holy grail layout and keep the content centered for better readability and accessibility.

Of course, the above is just the most basic sample code, and the actual layout may need to be adjusted and modified appropriately according to specific needs. I hope this article can help readers understand and master how to use the best method to implement the Holy Grail layout and improve the ability and level of web development.

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