<div class="content">
  <div class="header">
  </div>
  <div class="circle-border"></div>
  <div class="circle">
    <i class="fa fa-arrow-circle-o-down" aria-hidden="true"></i>
  </div>
</div>
<div class="footer">
</div>
body {
  margin: 0;
  padding: 0;
}
.content {
  height: 150px;
  position: relative;
  border-bottom: 2px solid;
}

.header {
  height: 150px;
  background: #0f0;
  z-index: 0;
  position: relative;
  border-bottom: 2px solid;
  z-index: 1;
}

.circle-border {
  width: 60px;
  height: 62px;
  border-radius: 50%;
  bottom: -32px;
  position: absolute;
  margin: 0 auto;
  left: 0;
  right: 0;
  border: 2px solid;
  z-index: 0;
}
.circle {
  width: 60px;
  height: 60px;
  background: #0f0;
  border-radius: 50%;
  bottom: -30px;;
  position: absolute;
  margin: 0 auto;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 30px;
  line-height: 60px;
  z-index: 2;
}

.footer {
  height: 150px;
  background: #f0f;
}

External CSS

  1. https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css

External JavaScript

This Pen doesn't use any external JavaScript resources.