focus Pseudo-class
This pseudo-class is used to select an element that is currently focused by the user. It works on user input elements used in forms and is triggered as soon as the user clicks on it. In the following example, the background color of the input field which is currently focused changes.
Example: This example shows the focus pseudo-class in CSS.
<!DOCTYPE html>
<html>
<head>
<title>CSS transition-property property</title>
<style>
form{
width: 300px;
height: 200px;
margin: 0 auto;
text-align: center;
line-height: 2rem;
}
label{
width: 30%;
}
input{
background-color: default;
float: right;
}
input:focus{
background-color: grey;
}
h1, h2{
color: green;
text-align: center;
}
</style>
</head>
<body>
<h1>Geeks For Geeks</h1>
<h2>:focus Pseudo-class</h2>
<form>
<label for="username">Username:</label>
<input type="text" name="username"
placeholder="Enter your username" />
<br>
<label for="emailid">Email-Id:</label>
<input type="email" name="emailid"
placeholder="Enter your email-id" />
<label for="Password">Password:</label>
<input type="password" name="Password"
placeholder="Enter your password" />
</form>
</body>
</html>
Output:
CSS Pseudo-classes
CSS Pseudo-classes are powerful and allow developers to style elements based on their specific states. This guide will walk you through the most commonly used pseudo-classes and how to use them effectively.
Pseudo-classes in CSS are used to define the special state of an element. They can be combined with a CSS selector to add an effect to existing elements based on their states. For instance, you can change the style of an element when the user hovers over it, or when a link is visited. All of these can be achieved using Pseudo Classes in CSS.
Note that pseudo-class names are not case-sensitive.
Syntax:
selector: pseudo-class{
property: value;
}
There are many Pseudo-classes in CSS but the ones that are most commonly used are as follows:
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