CSS - border-top-right-radius Property
CSS border-top-right-radius property controls the roundness of the top-right corner of an element's border.
Possible Values
<length>: Size of circle radius is denoted, using length values. Negative values are not valid.
<percentage>: Size of circle radius is denoted, using percentage values.
Horizontal axis percentage is referred to the width of the box.
Vertical axis percentage is referred to the height of the box.
Negative values are not valid.
Applies to
All the HTML elements, except for table and inline-table elements with border-collapse set to collapse. Applies to ::first-letter.
DOM Syntax
object.style.borderTopRightRadius = "length";
If you set the border-top-right-radius property and then set the border-radius shorthand property, the border-top-right-radius property will be reset to its default value.
CSS border-top-right-radius - <length> Value
Here is an example of how to create top-right rounded corner using length value −
<html> <head> <style> .rounded-border { background-color: pink; border: 3px solid green; border-top-right-radius: 50px; background-size: 100% 100%; width: 200px; height: 200px; } </style> </head> <body> <div class="rounded-border"> top-right rounded corner box. </div> </body> </html>
CSS border-top-right-radius - <percentage> Value
Here is an example of how to create top-right rounded corner using percentage value −
<html> <head> <style> .rounded-border { background-color: pink; border: 3px solid green; border-top-right-radius: 25%; background-size: 100% 100%; width: 200px; height: 200px; } </style> </head> <body> <div class="rounded-border"> top-right rounded corner box. </div> </body> </html>
CSS border-top-right-radius - With Animation
Here is an example of how to create a top-right rounded corner with an animation −
<html> <head> <style> .rounded-border { background-color: pink; border: 3px solid green; background-size: 100% 100%; width: 200px; height: 200px; animation: animatedRadius 5s infinite; } @keyframes animatedRadius { 50% { border-top-right-radius: 100px; } } </style> </head> <body> <div class="rounded-border"> top-right rounded corner with animation. </div> </body> </html>
CSS border-top-right-radius - With Different Shapes
You can use the border-top-right-radius property to create different shapes for the top-right rounded corner of an element.
Here is an example −
<html> <head> <style> .rounded-box { width: 150px; height: 150px; background-color: pink; border: 3px solid green; margin: 10px; } .rounded-box.circle-arc { border-top-right-radius: 35px; } .rounded-box.ellipse-arc { border-top-right-radius: 75px 35px; } .rounded-box.square-per { border-top-right-radius: 30%; } .non-square-per { border-top-right-radius: 30%; width: 200px; height: 100px; background-color: pink; border: 3px solid green; margin: 10px; } </style> </head> <body> <h3>Different shapes using border-top-right-radius property</h3> <div class="rounded-box circle-arc"> Arc of an circle. </div> <div class="rounded-box ellipse-arc"> Arc of an ellipse. </div> <div class="rounded-box square-per"> Square element with % radius. </div> <div class="non-square-per"> Non-square element with % radius. </div> </body> </html>
CSS border-top-right-radius - With Image
You can add a rounded border to the top-right corner of an image using border-top-right-radius property.
Here is an example −
<html> <head> <style> .img-border-radius { background-image: url(images/tree.jpg); border-top-right-radius: 6em; background-size: 100% 100%; width: 200px; height: 200px; } </style> </head> <body> <div class="img-border-radius"> top-right rounded corner image. </div> </body> </html>
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