Primer CSS Property order

Last Updated : 09 May, 2022

Primer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other.

Primer CSS Property Order is an important rule every developer should maintain. There are a few properties that need to be applied on priority for any class.

Syntax: This is just an order to use CSS properties on any element same goes with the classes of Primer CSS.

.element {
  // 1. Positioning
  // 2. Box model (display, float, width, etc)
  // 3. Typography (font, line-height, text-*)
  // 4. Visuals (background, border, opacity)
  // 5. Misc (CSS3 properties)
}

The below example illustrates the Primer CSS Property Order:

Example 1: In this example, we will follow the Property order but, will not use Primer CSS classes here we will use actual CSS.

HTML

<!DOCTYPE html>
<html>
<head>
    <style>
        .fixed {
            position: fixed;
            background: #cc0000;
            padding: 15px;
        }
        span {
            background: green;
            border: 1px #ffffff solid;
            padding: 5px;
        }
        pre {
            padding-top: 50px;
            height: 1200px;
            width: 200px;
        }
    </style>
</head>
<body>
    <div class="fixed">A Computer Science Portal for Geeks
        <span>Geeksforgeeks</span>
    </div>
    <pre>
            I am here to create a scrollable section
    </pre>
</body>
</html>

Output:

Example 2: In this example, we will achieve the same output by following the Primer CSS Property order in Primer CSS classes

HTML

<!DOCTYPE html>
<html>
<head>
    <link rel="stylesheet" href=
"https://unpkg.com/@primer/css@^18.0.0/dist/primer.css" />
    <style>
        /* To make the section scrollable */
        pre {
            padding-top: 50px;
            height: 1200px;
            width: 200px;
        }
    </style>
</head>
<body>
    <div class="position-fixed 
                color-bg-danger-emphasis
                p-3">
        A Computer Science Portal for Geeks
        <span class="color-bg-success-emphasis 
                     border 
                     rounded-0 
                     p-2 p-1">
            Geeksforgeeks</span>
    </div>
    <pre>
        I am here to create a scrollable section
    </pre>
</body>
</html>

Output:

Reference: https://primer.style/css/principles#property-order

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