How to center the html box
There are many ways to center HTML boxes: horizontal centering: set equal left and right margins or use text-align: center. Vertical centering: Set equal top and bottom margins or use the position: absolute top/bottom property. Horizontal and vertical centering: implemented using flexbox, grid or CSS classes.
How to center an HTML box
In HTML, there are various ways to center a box, depending on The desired centering and the layout technique you use.
Horizontal centering
-
Use
margin
attribute: Set equal ## on the left and right sides of the box #marginvalue to center it from the edge of the container.
- Use the text-align
attribute:
Set the text-alignof the box container to "center", then set the box to
inline-blockor
blockelements.
Vertical centering
- Use margin-top
and
margin-bottomproperties :
Set equal marginvalues at the top and bottom of the box so that it is centered from the top and bottom edges of the container.
- Use the position
attribute:
Set the positionof the box to "absolute", then use
topand
bottomproperty to center it vertically.
Horizontal and vertical centering
- Using flexbox
:
Create a display with flexproperty, then use the
align-itemsand
justify-contentproperties to center the box horizontally and vertically.
- Using grid
:
Create a container with the display: gridattribute, then use
justify-contentand ## The #align-content
property centers the box horizontally and vertically.
To simplify the centering process, you can create a CSS class that contains the centering style, as shown below:
.centered { margin: auto; text-align: center; }
This class can then be applied to any box you want to center.
The above is the detailed content of How to center the html box. For more information, please follow other related articles on the PHP Chinese website!

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