CSS border-top-left-radius Property
Example
Add rounded borders to the top-left corner of two <div> elements:
#example1 {
border: 2px solid red;
border-top-left-radius: 25px;
}
#example2 {
border: 2px solid red;
border-top-left-radius: 50px
20px;
}
Try it Yourself »
More "Try it Yourself" examples below.
Definition and Usage
The border-top-left-radius property defines the radius of the top-left corner.
Tip: This property allows you to add rounded borders to elements!
| Default value: | 0 |
|---|---|
| Inherited: | no |
| Animatable: | yes. Read about animatable Try it |
| Version: | CSS3 |
| JavaScript syntax: | object.style.borderTopLeftRadius="25px" Try it |
Browser Support
The numbers in the table specify the first browser version that fully supports the property.
Numbers followed by -webkit- or -moz- specify the first version that worked with a prefix.
| Property | |||||
|---|---|---|---|---|---|
| border-top-left-radius | 5.0 4.0 -webkit- |
9.0 | 4.0 3.0 -moz- |
5.0 3.1 -webkit- |
10.5 |
CSS Syntax
border-top-left-radius: length|% [length|%]|initial|inherit;
Note: If you set two values, the first one is for the top border, and the second one for the left border. If the second value is omitted, it is copied from the first. If either length is zero, the corner is square, not rounded.
Property Values
| Value | Description | Demo |
|---|---|---|
| length | Defines the shape of the top-left corner. Read about length units | Demo ❯ |
| % | Defines the shape of the top-left corner in % | Demo ❯ |
| initial | Sets this property to its default value. Read about initial | |
| inherit | Inherits this property from its parent element. Read about inherit |
More Examples
Example
Add rounded borders to the top-left corner in percent:
#example1 {
border: 2px solid red;
background: url(paper.gif);
padding: 10px;
border-top-left-radius: 40%;
}
Try it Yourself »
Related Pages
CSS tutorial: CSS Rounded Corners
HTML DOM reference: borderTopLeftRadius property