BorderTopLeftRadius

BorderTopLeftRadius is a CSS property used to define the radius of the top-left corner of an element's border. It allows for the creation of rounded corners on the top-left side of an element, enhancing the visual design of web pages. This property is particularly useful for creating modern, sleek user interfaces.

The BorderTopLeftRadius property accepts one or two values. When a single value is provided, it specifies both the horizontal and vertical radii. When two values are provided, the first value specifies the horizontal radius, and the second value specifies the vertical radius. These values can be specified in various units, including pixels (px), percentages (%), and ems (em).

For example, to create a rounded top-left corner with a radius of 10 pixels, the following CSS rule can be used:

css

border-top-left-radius: 10px;

To create an elliptical top-left corner with a horizontal radius of 15 pixels and a vertical radius of 10 pixels, the following rule can be used:

css

border-top-left-radius: 15px 10px;

The BorderTopLeftRadius property is part of the CSS3 specification and is supported by all modern web browsers. It is commonly used in conjunction with other border-radius properties, such as BorderTopRightRadius, BorderBottomRightRadius, and BorderBottomLeftRadius, to create complex rounded shapes and designs.