CSS border-top-right-radius property

The CSS border-top-right-radius property is used to set the radius of the top-right corner of an element. This property allows you to create rounded corners specifically for the top-right corner, giving you precise control over individual corner styling.

Syntax

selector {
    border-top-right-radius: value;
}

Possible Values

Value Description
length Defines the radius in px, em, rem, etc.
% Defines the radius as a percentage of the element's dimensions
initial Sets the property to its default value
inherit Inherits the property from its parent element

Example: Basic Top-Right Corner Radius

The following example demonstrates how to apply a specific radius to only the top-right corner −

<!DOCTYPE html>
<html>
<head>
<style>
    .rounded-box {
        border-top-right-radius: 45px;
        background: orange;
        padding: 20px;
        width: 200px;
        height: 150px;
        color: white;
        font-weight: bold;
        display: flex;
        align-items: center;
        justify-content: center;
    }
</style>
</head>
<body>
    <div class="rounded-box">Top-Right Rounded!</div>
</body>
</html>
An orange box appears with only the top-right corner rounded (45px radius), while the other three corners remain sharp. The text "Top-Right Rounded!" is centered inside.

Example: Combining with Other Border Radius Properties

You can combine border-top-right-radius with other border radius properties to create unique corner effects −

<!DOCTYPE html>
<html>
<head>
<style>
    .mixed-corners {
        border-top-left-radius: 20px;
        border-top-right-radius: 50px;
        border-bottom-left-radius: 10px;
        background: #4CAF50;
        padding: 25px;
        width: 250px;
        height: 100px;
        color: white;
        text-align: center;
        margin: 20px 0;
    }
</style>
</head>
<body>
    <div class="mixed-corners">Mixed Corner Radiuses</div>
</body>
</html>
A green box with different radius values for each corner: top-left (20px), top-right (50px), bottom-left (10px), and bottom-right remains square.

Conclusion

The border-top-right-radius property provides precise control over individual corner styling. Use it alone for asymmetric designs or combine it with other border radius properties to create unique visual effects.

Updated on: 2026-03-15T11:42:16+05:30

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