Advanced border-radius

If you want to specify different sizes for each corner, you can apply directions to the border-radius property as shown below.

For example, the following CSS code applies a 10px rounded corner to the top left corner of elements with the class box and a 20px rounded corner to the bottom right corner.

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.box {
  border-top-left-radius: 10px; /* Top left corner */
  border-bottom-right-radius: 20px; /* Bottom right corner */
}

Setting the border-radius value as %(percentage) can create circular or elliptical corners.

For instance, setting the border-radius value to 50% will result in the element's corners being rounded to 50% of the element's width.

In other words, the element becomes circular.

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.box {
  border-radius: 50%;
}

The CSS code above makes all corners of the element with the class box rounded, forming a circular shape.

For a profile image used on a website, the profile-image class is given a border-radius property with a value of 50%, turning the image into a circle.

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.profile-image {
  border-radius: 50%;
}