Di mana dalam dokumen HTML tempat yang tepat untuk merujuk ke style sheet eksternal?

When a browser reads a style sheet, it will format the HTML document according to the information in the style sheet.

Table of Contents Show

Three Ways to Insert CSS
External CSS
"mystyle.css"
Internal CSS
Multiple Style Sheets
Cascading Order
Test Yourself With Exercises
Di mana dalam dokumen HTML tempat yang tepat untuk merujuk ke external style sheet?
Dimanakah posisi perintahnya untuk menyertakan sebuah external style sheet?
Apa tag HTML yang benar untuk memanggil file CSS secara external?
Dimana CSS dibuat pada internal CSS?

Three Ways to Insert CSS

There are three ways of inserting a style sheet:

External CSS
Internal CSS
Inline CSS

External CSS

With an external style sheet, you can change the look of an entire website by changing just one file!

Each HTML page must include a reference to the external style sheet file inside the <link> element, inside the head section.

Example

External styles are defined within the <link> element, inside the <head> section of an HTML page:

<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="mystyle.css">
</head>
<body>

<h2>This is a heading</h2>
<p>This is a paragraph.</p>

</body>
</html>

Try it Yourself »

An external style sheet can be written in any text editor, and must be saved with a .css extension.

The external .css file should not contain any HTML tags.

Here is how the "mystyle.css" file looks:

"mystyle.css"

body {
background-color: lightblue;
}

h2 {
color: navy;
margin-left: 20px;
}

Note: Do not add a space between the property value and the unit:
Incorrect (space): margin-left: 20 px;
Correct (nospace): margin-left: 20px;

Internal CSS

An internal style sheet may be used if one single HTML page has a unique style.

The internal style is defined inside the <style> element, inside the head section.

Example

Internal styles are defined within the <style> element, inside the <head> section of an HTML page:

<!DOCTYPE html>
<html>
<head>
<style>
body {
background-color: linen;
}

h2 {
color: maroon;
margin-left: 40px;
}
</style>
</head>
<body>

<h2>This is a heading</h2>
<p>This is a paragraph.</p>

</body>
</html>

Try it Yourself »

Inline CSS

An inline style may be used to apply a unique style for a single element.

To use inline styles, add the style attribute to the relevant element. The style attribute can contain any CSS property.

Example

Inline styles are defined within the "style" attribute of the relevant element:

<!DOCTYPE html>
<html>
<body>

<h2 style="color:blue;text-align:center;">This is a heading</h2>
<p style="color:red;">This is a paragraph.</p>

</body>
</html>

Try it Yourself »

Tip: An inline style loses many of the advantages of a style sheet (by mixing content with presentation). Use this method sparingly.

Multiple Style Sheets

If some properties have been defined for the same selector (element) in different style sheets, the value from the last read style sheet will be used.

Assume that an external style sheet has the following style for the <h2> element:

h2 {
color: navy;
}

Then, assume that an internal style sheet also has the following style for the <h2> element:

h2 {
color: orange;
}

Example

If the internal style is defined after the link to the external style sheet, the <h2> elements will be "orange":

<head>
<link rel="stylesheet" type="text/css" href="mystyle.css">
<style>
h2 {
color: orange;
}
</style>
</head>

Try it Yourself »

Example

However, if the internal style is defined before the link to the external style sheet, the <h2> elements will be "navy":

<head>
<style>
h2 {
color: orange;
}
</style>
<link rel="stylesheet" type="text/css" href="mystyle.css">
</head>

Try it Yourself »

Cascading Order

What style will be used when there is more than one style specified for an HTML element?

All the styles in a page will "cascade" into a new "virtual" style sheet by the following rules, where number one has the highest priority:

Inline style (inside an HTML element)
External and internal style sheets (in the head section)
Browser default

So, an inline style has the highest priority, and will override external and internal styles and browser defaults.

Try it Yourself »

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Test Yourself With Exercises

Exercise:

Add an external style sheet with the URL: "mystyle.css".

<head>

</head>

<body>
  <h2>This is a heading</h2>
  <p>This is a paragraph</p>
  <p>This is a paragraph</p>
</body>

Start the Exercise

Di mana dalam dokumen HTML tempat yang tepat untuk merujuk ke external style sheet?

Lokasi dalam dokumen HTML yang merupakan tempat yang tepat untuk merujuk ke external style sheet adalah di dalam bagian / tag <head>.

Dimanakah posisi perintahnya untuk menyertakan sebuah external style sheet?

Eksternal stylesheet adalah cara memasukan style ke dalam kode html dengan memanggil melalui tag <link> yang kita sisipkan di tag <head>.

Apa tag HTML yang benar untuk memanggil file CSS secara external?

Cara memanggil CSS yang terakhir dengan external CSS. External artinya kita memisahkan CSS dari file HTML. Untuk memasukkan CSS ke dalam file HTML kita akan memakai tag <link rel="stylesheet" href="path_ke_css_file" /> .

Dimana CSS dibuat pada internal CSS?

2. Internal CSS Internal CSS dituliskan di bagian header file HTML. Fungsinya untuk menentukan tampilan sebuah halaman. Internal CSS sangat membantu ketika Anda ingin membuat halaman website yang tampilannya berbeda dari halaman lain.