css animation circle code example

Example 1: css circle

#circle {
      width: 100px;
      height: 100px;
      background: red;
      border-radius: 50%
    }

Example 2: how to create a circle with css

<div id="circle">
</div>

#circle {
    width: 100px;
    height: 100px;
    background: red;
    border-radius: 50%
}

Example 3: circle css animation

class ProgressRing extends React.Component {
  constructor(props) {
    super(props);

    const { radius, stroke } = this.props;

    this.normalizedRadius = radius - stroke * 2;
    this.circumference = this.normalizedRadius * 2 * Math.PI;
  }
}