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CSS-child-pseudo-classes.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CSS child pseudo-classes</title>
<style>
h1{
text-align: center;
}
ul{
margin: 0;
padding: 0;
list-style: none;
}
nav li{
display: inline-block;
}
li a{
background-color: tomato;
border-right: 1px solid black;
padding: 5px;
text-decoration: none;
margin-right:-4px ;
}
/* :first-child, :last-child, & :only-child */
nav li:first-child a{
border-radius: 14px 0 0 10px;
}
nav li:last-child a{
border-radius: 0 14px 10px 0;
border-right: 0;
}
a{
background-repeat: no-repeat;
background-position: 0 50%;
padding-left: 25px;
}
a[href$="ss"] /*Attribute selector*/
{
background-image: url("img/icons8-registration-20.png");
}
li:first-child{
color: blueviolet;
}
li:last-child{
color: crimson;
}
div:only-child{
color: darkgreen;
}
article p:first-child{
font-size: larger;
color: darkmagenta;
}
article p:last-child{
color: darkgreen;
font-weight: bold;
}
/* :first-of-type, :last-of-type, & :only-of-type */
.demo p:first-of-type{
color: chocolate;
font-size: medium;
}
.demo p:last-of-type{
color: chocolate;
}
.demo img:only-of-type{
width: 30%;
}
</style>
</head>
<body>
<h1>:first-child, :last-child, & :only-child</h1>
<nav>
<ul>
<li><a href="#ss">Home</a></li>
<li><a href="">About</a></li>
<li><a href="">Contact</a></li>
<li><a href="">Register</a></li>
<li><a href="">Log In</a></li>
</ul>
</nav>
<br>
<article>
<p>The :first-child pseudo-class will select an element if it’s the first child within its parent</p>
<p>the :last-child pseudo-class will select an element if it’s the last element within its parent.</p>
<p>the :only-child will select an element if it is the only element within a parent.</p>
</article>
<br>
<ul>
<li>This list item will be selected(first child)</li>
<li>
<div>This div will be selected(only child)</div>
</li>
<li>
<div>...</div>
<div>...</div>
</li>
<li>This list item will be selected(last child)</li>
</ul>
<hr>
<h1>:first-of-type, :last-of-type, & :only-of-type</h1>
<article class="demo">
<p>Selected Tag</p>
<p>....C4</p>
<p>Katsu....</p>
<p>Selected Tag</p>
<img src="img/birds.png" alt="">
<h6>keep coding</h6>
</article>
</div>
</body>
</html>