CSS #id Selector
Example
Style the element with id="firstname":
    #firstname
 { 
    
 background-color: yellow;
 }
  
Try it Yourself »
Definition and Usage
The #id selector styles the element with the specified id.
| Version: | CSS1 | 
|---|
Browser Support
| Selector | |||||
|---|---|---|---|---|---|
| #id | Yes | Yes | Yes | Yes | Yes | 
CSS Syntax

