There are two ways to center a div in HTML: Use the text-align attribute (text-align: center): suitable for simpler layouts. Use flexible layout (Flexbox): Provide more flexible layout control. The steps include: enabling Flexbox (display: flex) in the parent element. Set the div as a Flex item (flex: 1). Use the align-items and justify-content properties for vertical and horizontal centering.
How to center a div
In HTML, you can use CSS properties to center a div. There are two methods:
Method 1: Use the text-align attribute
This method is suitable for simpler layouts, use the text-align
attribute :
div { text-align: center; }
Method 2: Use flexible layout (Flexbox)
Flexbox is a CSS layout module that provides more flexible layout control. To center a div using Flexbox, use the following steps:
- Enable Flexbox in the parent element: Set
display: flex## for the parent element containing the div #.
.container { display: flex; }
- Set the div as a Flex item: Set the flex
attribute to the div so that it becomes the Flex item of the parent element.
div { flex: 1; }
- Vertical centering: Use the align-items
attribute to vertically center the div.
.container { align-items: center; }
- Horizontal centering: Use the justify-content
attribute to center the div horizontally.
.container { justify-content: center; }
Example:
<div class="container"> <div>這是居中的內(nèi)容</div> </div>
.container { display: flex; align-items: center; justify-content: center; } div { flex: 1; }
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