What is the method for generating an oval shape with a border-radius in CSS?

Is there a way to create an oval shape instead of a rectangle with rounded edges using CSS?

Below is the code snippet I have been working with:

div {
  position: fixed;
  border-radius: 25px;
  background: rgba(0,0,0,.5)
  width: 100px;
  height: 50px;
  top: calc(50% - 25px);
  right: calc(50% - 50px);
}

Answer №1

Instead of using a complex border-radius property, you can simply use border-radius: 50%.

div {
  border-radius: 50%;
  background-color: rgba(0,0,0,0.5);
  width: 100px;
  height: 50px;
}
<div></div>

Answer №2

Specify the border-radius property using a percentage value.

div {
  position: fixed;
  width: 100px;
  height: 50px;
  background: rgba(0,0,0,.5);
  border-radius: 50%;
}

Answer №3

Check out this informative resource that illustrates various shapes you can create.

Here's a sample code snippet demonstrating how to achieve a specific shape:

#round {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 20px 0;
    background: orange;
    border-radius: 48% / 25%;
    color: white;
}
#round:before {
    content: '';
    position: absolute;
    top: 10%;
    bottom: 11%;
    right: -5%;
    left: -5%;
    background: inherit;
    border-radius: 21% / 68%;
}

<div id="round"></div>

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