Home > Article > Web Front-end > How to set a sector area in css
In CSS, you can use the border-radius attribute to set a sector area. The border-radius attribute can set the rounded corners of the four corners of the border; you only need to set the value of one corner of the border-radius attribute to be the same as the width and height, and set the values of the other corners to "0" to achieve a simple fan shape.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
css setting sector area
In css, you can use the border-radius attribute to draw a sector.
Implementation principle: The upper left corner is a rounded corner, and the other three corners are right angles: the value of the upper left corner is the same as the width and height, and the values of the other three corners remain unchanged (equal to 0).
Code example:
<!DOCTYPE html> <html> <head> <style type="text/css"> div { border-radius: 80px 0 0; width: 80px; height: 80px; background: #666; } </style> </head> <body> <div></div> </body> </html>
Effect picture:
(Learning video sharing: css video tutorial)
The above is the detailed content of How to set a sector area in css. For more information, please follow other related articles on the PHP Chinese website!