The var() function in CSS is used to insert a value for custom property.
Syntax:
var( custom_property, value )
Parameters: This function accepts two parameters which are listed below:
- custom_property: It is the required parameter. The name of custom property must start with two dashes(–).
- value: It is optional parameter. It is used if custom property is invalid.
Below program illustrates the var() function in CSS:
Program:
<!-- HTML code to describes var() function in CSS --><!DOCTYPE html> <html> <head> <title>var() function</title> <style> :root { --main-bg-color: Green; } /* Use of var() function */ .gfg1 { background-color: var(--main-bg-color); padding:10px; } .gfg2 { background-color: var(--main-bg-color); padding: 5px; } h1 { color:green; } body { text-align:center; } </style> </head> <body> <h1>GeeksforGeeks</h1> <h2>var() function</h2> <div class = "gfg1">GeeksforGeeks</div><br> <div class = "gfg2">A computer science portal for geeks</div> </body> </html> |
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Output:
Supported Browsers: The browser supported by var() function are listed below:
- Google Chrome 49.0
- Edge 15.0
- Firefox 31.0
- Safari 9.1
- Opera 36.0
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