CSS :focus Selector
Example
Select and style an input field when it gets focus:
input:focus
{
background-color: yellow;
}
Try it Yourself »
More "Try it Yourself" examples below.
Definition and Usage
The :focus selector is used to select the element that has focus.
Tip: The :focus selector is allowed on elements that accept keyboard events or other user inputs.
| Version: | CSS2 |
|---|
Browser Support
The numbers in the table specifies the first browser version that fully supports the selector.
| Selector | |||||
|---|---|---|---|---|---|
| :focus | 4.0 | 8.0 | 2.0 | 3.1 | 9.6 |
Note: For :focus to work in IE8, 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;
}
Try it Yourself »
Related Pages
CSS tutorial: CSS Pseudo classes
