How do you write border-radius?

The border-radius property is specified as:

1. one, two, three, or four or values. This is used to set a single radius for the corners.
2. followed optionally by “/” and one, two, three, or four or values. This is used to set an additional radius, so you can have elliptical corners.

What is the format of border shorthand property?

The border shorthand CSS property sets an element’s border. It sets the values of border-width , border-style , and border-color .

How do you calculate border-radius in CSS?

Horizontal radius is calculated as a percentage of the border box’s width. Vertical radius is calculated as a percentage of the border box’s height. First value is top-left and bottom-right corners. Second value is top-right and bottom-left corners.

Can border-radius accept any length value?

Every radius can be a or value. Percentages for the horizontal radius refer to the width of the border box, whereas percentages for the vertical radius refer to the height of the border box. Negative values are not allowed.

What do you do with border radius in CSS?

border-radius The border-radius CSS property rounds the corners of an element’s outer border edge. You can set a single radius to make circular corners, or two radii to make elliptical corners.

When does border radius apply to the background?

The radius applies to the whole background, even if the element has no border; the exact position of the clipping is defined by the background-clip property. The border-radius property does not apply to table elements when border-collapse is collapse.

When to use second value for border radius?

If one value is specified, it defines the radius of all corners. If two values are specified, the first value is used for the top-left and bottom-right corner, while the second value is used for the top-right and bottom-left sides corner.

How to give an element a rounded corner in CSS?

You can give any element “rounded corners” by applying a border-radius through CSS. You’ll only notice if there is a color change involved. For instance, if the element has a background-color or border that is different than the element it’s over. Simple examples: