The :nth-of-type(an+b) CSS pseudo-class matches an element that has an+b-1 siblings of the same type before it, where n is positive or zero.
/* Selects every fourth <div> inside a parent element */
div:nth-of-type(4n) {
  background-color: lime;
}
See :nth-child for a more thorough description of the syntax of its argument.
Syntax
:nth-of-type( <nth> )
Example
CSS
/* Align odd paragraphs to the left */
p:nth-of-type(2n+1) { text-align: left; }
/* Align even paragraphs to the right */
p:nth-of-type(2n) { text-align: right; }
HTML
<div> <div>This element isn't counted.</div> <p>First paragraph. (left aligned)</p> <p>Second paragraph. (right aligned)</p> <div>This element isn't counted.</div> <p>Third paragraph. (left aligned)</p> </div>
Result
Specifications
| Specification | Status | Comment | 
|---|---|---|
| Selectors Level 4 The definition of ':nth-of-type' in that specification. | Working Draft | Matching elements are not required to have a parent. | 
| Selectors Level 3 The definition of ':nth-of-type' in that specification. | Recommendation | Initial definition. | 
Browser compatibility
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari | 
|---|---|---|---|---|---|---|
| Basic support | 1.0 | (Yes) | 3.5 (1.9.1) | 9.0 | 9.5 | 3.1 | 
| Feature | Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | 
|---|---|---|---|---|---|---|
| Basic support | 2.1 | (Yes) | 1.0 (1.9.1) | 9.0 | 9.5 | 3.1 | 
See also
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                       Last updated by:
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