EN
HTML - how to add css to html?
16
points
In this article we would like to show how to add styles to HTML code (how to add CSS to HTML).
Most commonly approaches are: using link tag, style tag and style attribute.
Quick popular solutions:
// 1. Link to stylesheet file
<link rel="stylesheet" type="text/css" href="styles.css" />
// 2. Embeded style
<style>
body {
background: red;
}
</style>
// 3. Inline styles
<p style="font-size: 20px; color: brown;">Brown text ...</p>This article is like overview of different approaches with examples.
1. Link to stylesheet file example
index.htm file:
<!doctype html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="styles.css" />
</head>
<body>
Red web page...
</body>
</html>styles.css file:
body {
background: red;
}Result:
2. Embed CSS (style tag) example
index.htm file:
// ONLINE-RUNNER:browser;
<!doctype html>
<html>
<head>
<style>
body {
background: red;
}
</style>
</head>
<body>
Red web page...
</body>
</html>Result:
3. Inline styles example
index.htm file:
// ONLINE-RUNNER:browser;
<!doctype html>
<html>
<body style="background: red;">
<p style="font-size: 20px; color: brown;">
Red web page...
</p>
</body>
</html>Result:
4. Import of stylesheet file example
index.htm file:
<!doctype html>
<html>
<head>
<style>
@import 'styles.css';
</style>
</head>
<body>
This is red web page...
</body>
</html>styles.css file:
body {
background: red;
}Result:
5. JavaScript CSS file injection example
index.htm file:
<!doctype html>
<html>
<body>
<p>This is red web page...</p>
<script>
var element = document.createElement('link');
element.addEventListener('load', function() {
document.body.innerHTML += '<p>Styles loaded!</p>';
});
element.addEventListener('error', function() {
document.body.innerHTML += '<p>Styles error!</p>';
});
element.setAttribute('rel', 'stylesheet');
element.setAttribute('href', 'styles.css');
document.head.appendChild(element);
</script>
</body>
</html>styles.css file:
body {
background: red;
}Result:
6. JavaScript Embed CSS (style tag) injection example
index.htm file:
// ONLINE-RUNNER:browser;
<!doctype html>
<html>
<body>
<p>This is red web page...</p>
<script>
var element = document.createElement('style');
element.appendChild(document.createTextNode('body { background: red; }'));
// appending another rules
document.head.appendChild(element);
</script>
</body>
</html>Result:
7. JavaScript inline styles example
index.htm file:
// ONLINE-RUNNER:browser;
<!doctype html>
<html>
<body id="page">
<p>This is red web page...</p>
<script>
var element = document.getElementById('page'); // or document.body
element.style.background = 'red';
element.style.color = 'brown';
//element.style.cssText = 'background: red; color: brown;';
</script>
</body>
</html>Result:
