What importance does the arrangement of link elements in the <head> section hold?

According to Code Academy's Make a Website: CSS Styling:

     <head>
         <link href="font.css" rel="stylesheet">
         <link href="main.css" rel="stylesheet">   
    </head>

"In the head element, there are two link elements that should be ordered correctly.

The font.css link should come before the main.css link so that the custom font is available for use.

When the browser first sees the font.css link, it makes the font accessible to the page. Then, when it encounters the main.css link, the custom font can be utilized for styling."

I am looking for an explanation on why the order matters (linking to fonts before the main CSS stylesheet).

Even though I tried linking to the main stylesheet before the fonts, it still worked correctly.

htmlcsssyntax

Answer №1

When it comes to overriding CSS definitions, the order in which you do so is crucial. This concept is known as the "cascade" in cascading style sheets. If main.css does not include any font definitions, then the order becomes insignificant.

For instance: imagine you receive a default CSS file from a designer, but you need to make some adjustments. Rather than directly editing the default.css file, you decide to create a separate custom.css file and only modify the specific definitions you want to change. In this scenario, the order of the stylesheets now plays a significant role.

<head>
    <link href="default.css" rel="stylesheet">
    <link href="custom.css" rel="stylesheet">   
</head>

If you were to place custom.css above the default stylesheet, your modifications would not take effect.

Check out this article for a more in-depth look at CSS specificity. Just be warned, it can get pretty complicated.

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