HTML-CSS: Focus Within
HTML-CSS : Exercise-19 with Solution
Using HTML, CSS changes the appearance of a form if any of its children are focused.
- Use the pseudo-class :focus-within to apply styles to a parent element if any child element gets focused.
HTML Code:
<!--License: https://bit.ly/3GjrtVF-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Using HTML, CSS changes the appearance of a form if any of its children are focused</title>
</head>
<body>
<form>
<label for="username">Username:</label>
<input id="username" type="text" />
<br />
<label for="password">Password:</label>
<input id="password" type="text" />
</form>
</body>
</html>
CSS Code:
<style>
form {
border: 2px solid #CCBC82;
padding: 8px;
border-radius: 2px;
}
form:focus-within {
background: #7CF0BD;
}
label {
display: inline-block;
width: 72px;
}
input {
margin: 4px 12px;
}
</style>
HTML-CSS Editor:
See the Pen html-css-practical-exercises by w3resource (@w3resource) on CodePen.
What is the difficulty level of this exercise?
Test your Programming skills with w3resource's quiz.
HTML-CSS: Tips of the Day
How to get CSS to select ID that begins with a string ?
[id^=product]
^= indicates "starts with". Conversely, $= indicates "ends with".
The symbols are actually borrowed from Regex syntax, where ^ and $ mean "start of string" and "end of string" respectively.
Ref: https://bit.ly/3rSZ2t7
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