<div class="circle"></div>
.circle {
  background: #456BD9;
  border: 0.1875em solid #0F1C3F;
  border-radius: 50%;
  box-shadow: 0.375em 0.375em 0 0 rgba(15, 28, 63, 0.125);
  height: 5em;
  width: 5em;
}

External CSS

  1. https://codepen.io/tylersticka/pen/84283323f542da5a9690fa4581c876ec

External JavaScript

This Pen doesn't use any external JavaScript resources.