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How to center a button element vertically and horizontally with CSS?
To center a button vertically and horizontally with CSS, use the justify-content and align-items properties. We have used flex in our examples.
The Justify-content Property
In CSS, the justify-content property is used to align the items horizontally. The syntax of CSS justify-content property is as follows −
Selector { display: flex; justify-content: /*value*/ } The following are the values −
flex-start − The flex items are positioned at the start of the container. This is the Default value.
flex-end − The flex items are positioned at the end of the container
center − The flex items are positioned in the center of the container
space-between − The flex items will have space between them
space-around − The flex items will have space before, between, and after them
space-evenly − The flex items will have equal space around them
The Align-items Property
In CSS, the align-items property is used to set the default alignment for flex-items in a flexbox. It aligns the items vertically.
The syntax of CSS align-items property is as follows −
Selector { display: flex; justify-content: /*value*/ } The following are the values −
stretch − The flex-items are stretched to fit the container
center − The flex-items are positioned at the center of the container
flex-start − The flex-items are positioned at the beginning of the container
flex-end − The flex-items are positioned at the end of the container
Create a Button
The <button> element is used to create a button on a web page −
<button>This button is centered</button>
Style the button −
button{ font-size: 18px; border: none; padding:10px; background-color: darkblue; color:white; } Set the Button Inside a div
To center align a button, set the button element inside a div −
<div class="centered"> <button>This button is centered</button> </div>
Style the div and Center Align
To center align vertically, use the align-items property. To center align horizontally, use the justify-content property. Set center for both the values −
.centered { display: flex; justify-content: center; align-items: center; height: 200px; border: 3px solid rgb(0, 70, 128); } Example
Let us see the example −
<!DOCTYPE html> <html> <head> <style> body { font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif; } .centered { display: flex; justify-content: center; align-items: center; height: 200px; border: 3px solid rgb(0, 70, 128); } button{ font-size: 18px; border: none; padding:10px; background-color: darkblue; color:white; } </style> </head> <body> <h1>Centering Example</h1> <div class="centered"> <button>This button is centered</button> </div> </body> </html> 
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