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CSS border-bottom-left-radius Property

CSS border-bottom-left-radius property is used to rounding the bottom-left corners of a specific element by giving a specific radius of the ellipse. It defines the curvature of the corner. The round can be an ellipse or a circle or if the value is zero, then the corner remains square instead of round.

Syntax for border-bottom-left-radius Property

Following is the syntax for the border-bottom-left-radius property.

border-bottom-left-radius: length|%[length|%]|initial|inherit;

Example: CSS border-bottom-left-radius Property

Here in the example below, we are using the border-bottom-left-radius property with different curving or rounding percentages, border styles, and their different values. In this case, we have given the border-bottom-left-radius as 70% i.e; the bottom left corner of the container box gets curved to 70%.

<!DOCTYPE html>
<html>
<head>
	<title>Border-bottom-left-radius property in CSS</title>
	<style type="text/css">
		.border-box {
		  border-bottom-left-radius:70%;
		  border-style: black 4px double;
		  background-color: red;
		  background-clip: border-box;
		  width: 70px;
		  height: 70px;
		}
	</style>
</head>
<body>
	<div class="border-box">Study Tonight</div>
</body>
</html>

Output:

Example: CSS border-bottom-left-radius Property

Here in the example below, we are using the border-bottom-left-radius property with different curving or rounding percentages, border styles, and their different values. In this case, we have given the border-bottom-left-radius using the horizontal and vertical values as 30% and 50% i.e; the bottom left corner of the container box gets curved to 30% horizontally and 50% vertically.

<!DOCTYPE html>
<html>
<head>
	<title>Border-bottom-left-radius property in CSS</title>
	<style type="text/css">
		.border-box {
		  border-bottom-left-radius: 30% 50%;
		  border-style: black 4px double;
		  background-color: purple;
		  background-clip: border-box;
		  width: 70px;
		  height: 70px;
		}
	</style>
</head>
<body>
	<div class="border-box">Study Tonight</div>
</body>
</html>

Output:

Browser Compatibility

There are many browsers that do not support all the latest CSS properties. Hence, while developing any webpage, if you are using any CSS property you must check the browser compatibility for that CSS property and then use it. It is of immense importance today when there is a large variety of web browsers available.

Name of Browser Background size contain and cover
Chrome 4 4
Edge 12 12
Firefox 4 4
Internet Explorer 9 9
Opera 10.5 10.5
Safari 5 5
Webview Android 37 37
Chrome Android 18 18
Firefox Android 4 4
Opera Android 14 14
IOS Safari 4.2 4.2
Samsung Internet 1.0 1.0

Conclusion

The initial value for the border-bottom-left-radius property is zero. This property is applicable to all elements and also applicable to ::first-letter. It is not an inherited property. Percentages refer to the corresponding dimensions of the border-box. The computed value of this property is two absolute lengths or percentages.