The CSS :nth-child() pseudo-class selects an element that is the nth child element of some other element.
Syntax
Following is the syntax −
:nth-child(){
/*declarations*/
}Example
Let’s see an example for CSS :nth-child() Pseudo class −
<!DOCTYPE html>
<html>
<head>
<title>CSS :nth-child() Pseudo Class</title>
<style>
form {
width:70%;
margin: 0 auto;
text-align: center;
}
* {
padding: 2px;
margin:5px;
box-sizing: border-box;
}
input[type="button"] {
border-radius: 10px;
}
.child{
display: inline-block;
height: 40px;
width: 40px;
color: white;
border: 4px solid black;
}
.child:nth-child(1){
background-color: #FF8A00;
}
.child:nth-child(2){
background-color: #F44336;
}
.child:nth-child(3){
background-color: #C303C3;
}
.child:nth-child(4){
background-color: #4CAF50;
}
.child:nth-child(5){
background-color: #03A9F4;
}
.child:nth-child(6){
background-color: #FEDC11;
}
</style>
</head>
<body>
<form>
<fieldset>
<legend>CSS :nth-child() Pseudo Class</legend>
<div id="container">
<div class="child"></div><div class="child"></div><div class="child"></div><div class="child"></div><div class="child"></div><div class="child"></div>
</div><br>
</body>
</html>Output
This will produce the following output −

Example
Let’s see another example of CSS nth-child() Pseudo class −
<!DOCTYPE html>
<html>
<head>
<style>
* {
font-size: 1.1em;
list-style: circle;
}
li:first-child {
background-color: seashell;
font-family: cursive;
}
li:nth-child(2) {
background-color: azure;
font-family: "Brush Script Std", serif;
}
li:last-child {
background-color: springgreen;
font-family: "Gigi", Arial;
}
</style>
</head>
<body>
<p>Famous Cricket Stadiums</p>
<ul>
<li>Eden Gardens, Kolkata, India</li>
<li>Melbourne Cricket Ground, Melbourne, Australia</li>
<li>DY Patil Sports Stadium, Navi Mumbai, India</li>
</ul>
</body>
</html>Output
This will produce the following output −
