CSS [attribute=value] Selector
Example
Style <a> elements with a target="_blank":
  
    a[target=_blank]
	{ 
	   
	background-color: yellow;
	}
  
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More "Try it Yourself" examples below.
Definition and Usage
The [attribute=value] selector is used to select elements with the specified attribute and value.
| Version: | CSS2 | 
|---|
Browser Support
The numbers in the table specifies the first browser version that fully supports the selector.
| Selector | |||||
|---|---|---|---|---|---|
| [attribute=value] | 4.0 | 7.0 | 2.0 | 3.1 | 9.6 | 
Note: For [attribute=value] to work in IE8 and earlier, a <!DOCTYPE> must be declared.
CSS Syntax
More Examples
Example
When an <input type="text"> gets focus, gradually change the width from 100px to 250px:
    input[type=text] {
    width: 100px;
    
	transition: ease-in-out, width .35s ease-in-out;
}
	input[type=text]:focus {
    width: 250px;
}
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Related Pages
CSS tutorial: CSS Attribute Selectors

