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Wednesday, January 21, 2026

CSS Attribute Selector Explained wiith Examples

 CSS Attribute Selector Explained wiith Examples

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This Blog You Will Learn 

ஃ CSS Attribute Selector

ஃ How CSS Attribute Selector Works

ஃ Syntax of HTML CSS Attribute Selector tag

ஃ Why Use CSS Attribute Selectors

ஃ Advantages CSS Attribute Selectors

ஃ Explain Program

ஃ Output

 CSS Attribute Selector

 A CSS attribute selector is  a selector that targets HTML elements based on their attributes or attributes values, allowing precise and flexible styling without relying on class or ID selectors.

✅CSS Attribute Selector Explained wiith Examples

✅CSS Attribute selector used to select HTML elements baase on attributes or attribute value

✅CSS Attribute selector apply css style 

✅selector  use class or id attribute selectors.

How CSS Attribute Selector Works

  ✔ Attribute selectors work with all HTML element.

  ✔ They are useful forms,links,images.

 ✔ They reduce the extra HTML class.

 ✔ Attribute selectors  are case-sensitive in some situations.

 ✔  Browser first reads all HTML elements on the page.

 ✔  CSS matches elements based on selector rule.

 ✔ [attribute] selects  elements that have the attribute.

 ✔ [attribute="value"] selects elements with exact value match.

 ✔ css ignores elements without the required  attribute.

 ✔ Attribute selectors work without class or id.

Syntax of HTML CSS Attribute Selector tag

input[type="email"]
{
border:2px solid green ;
}

  1.  Tagname is HTML element(e.g : <p>,<h1>, <div>
  2.  id is attribute name.
  3.  UniqueIDname  is value fo the attribute which must ve unique the entire HTML Document.
  4.  Unique to single element on the pages

Why Use CSS Attribute Selectors

  •  Reduces  extra classes in HTML
  • Makes CSS more semantic
  •  Ideal for form styling 
  •  works well with dynamically generated content
  • improves maintainability.

Advantages CSS Attribute Selectors

  1.  powerful for targering specific element
  2. supports responsive and dynamic Ul design
  3. More fiexible than  class selectors.
  4. cleaner HTML
CSS Attribute Selector Explained wiith Examples

Example 

<!Doctype html>
<html>
  <head>
    <style>
         a[target]{
           background-color: yellow;
         }
    </style>
  </head>
  <body>
    <h1> CSS [attribute]selector Example</h1>
      <a href ="https://webdesigningtheory.blogspot.com/"target="_blank">
web designing theory blogspot</a>  
     
      <a href="https://webdesigningtheory.blogspot.com/">CSS</a>
      <a href="https://webdesigningtheory.blogspot.com/" target="_blank"> HTML</a>    
     
   
  </body>
</html>


CSS Attribute Selector Explained wiith Examples
Explain Program

Step  1] 

HTML Doctype  Structure

<!Doctype html>
<html>
  <head>---</head>
  <body>---</body>
</html>


<!DOCTYPE html>   →  Declares this document as HTML.
<html>                        →  Root element of the page.
<head>                        →  Contains meta info ,title and css.
<body>                        →  Contains the visible content of the page.

Step  2]

HTML style Content

 <style>
         a[target]{
           background-color: yellow;
         }
  </style> 

  a                          →  anchor (<a>) elements  i.e. link
 [target]                 →   Attribute selector  selects only <a> elements that have target attribute
background-color  →  set yellow background  those links.

 Step  3]

HTML Body Content 

 
<body>
    <h1> CSS [attribute]selector Example</h1>
      <a href ="https://webdesigningtheory.blogspot.com/"target="_blank">
web designing theory blogspot</a>  
     
      <a href="https://webdesigningtheory.blogspot.com/">CSS</a>
      <a href="https://webdesigningtheory.blogspot.com/" target="_blank"> HTML</a>    
     
   
  </body>


First link          → target ="_blank"    → yellow background color
Second link     → no target attribute   → no yellow background color
Third link        → target =_"blank"     → yellow background color

Step  4] 

closing the Tag

  </body>   </html>


CSS Attribute Selector Explained wiith Examples

Output

CSS Attribute Selector







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how to use the html button tag

how to use class selectors in html &css

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